Move all to deprecated folder.

deprecated/firmware/buildroot/boot/grub2/Config.in

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+config BR2_TARGET_GRUB2
+	bool "grub2"
+	depends on BR2_i386 || BR2_x86_64
+	help
+	  GNU GRUB is a Multiboot boot loader. It was derived from
+	  GRUB, the GRand Unified Bootloader, which was originally
+	  designed and implemented by Erich Stefan Boleyn. GRUB 2 has
+	  replaced what was formerly known as GRUB (i.e. version
+	  0.9x), which has, in turn, become GRUB Legacy.
+
+	  Amongst others, GRUB2 offers EFI support, which GRUB Legacy
+	  doesn't provide.
+
+	  Notes on using Grub2 for BIOS-based platforms
+	  =============================================
+
+	  1. Create a disk image
+	     dd if=/dev/zero of=disk.img bs=1M count=32
+	  2. Partition it (either legacy or GPT style partitions work)
+	     cfdisk disk.img
+	      - Create one partition, type Linux, for the root
+		filesystem. The only constraint is to make sure there
+		is enough free space *before* the first partition to
+		store Grub2. Leaving 1 MB of free space is safe.
+	  3. Setup loop device and loop partitions
+	     sudo losetup -f disk.img
+	     sudo partx -a /dev/loop0
+	  4. Prepare the root partition
+	     sudo mkfs.ext3 -L root /dev/loop0p1
+	     sudo mount /dev/loop0p1 /mnt
+	     sudo tar -C /mnt -xf output/images/rootfs.tar
+	     sudo umount /mnt
+	  5. Install Grub2
+	     sudo ./output/host/usr/sbin/grub-bios-setup \
+			-b ./output/host/usr/lib/grub/i386-pc/boot.img \
+			-c ./output/images/grub.img -d . /dev/loop0
+	  6. Cleanup loop device
+	     sudo partx -d /dev/loop0
+	     sudo losetup -d /dev/loop0
+	  7. Your disk.img is ready!
+
+	  Using genimage
+	  --------------
+
+	  If you use genimage to generate your complete image,
+	  installing Grub can be tricky. Here is how to achieve Grub's
+	  installation with genimage:
+
+	  partition boot {
+	      in-partition-table = "no"
+	      image = "path_to_boot.img"
+	      offset = 0
+	      size = 512
+	  }
+	  partition grub {
+	      in-partition-table = "no"
+	      image = "path_to_grub.img"
+	      offset = 512
+	  }
+
+	  The result is not byte to byte identical to what
+	  grub-bios-setup does but it works anyway.
+
+	  To test your BIOS image in Qemu
+	  -------------------------------
+
+	  qemu-system-{i386,x86-64} -hda disk.img
+
+	  Notes on using Grub2 for EFI-based platforms
+	  ============================================
+
+	  1. Create a disk image
+	     dd if=/dev/zero of=disk.img bs=1M count=32
+	  2. Partition it with GPT partitions
+	     cgdisk disk.img
+	      - Create a first partition, type EF00, for the
+		bootloader and kernel image
+	      - Create a second partition, type 8300, for the root
+		filesystem.
+	  3. Setup loop device and loop partitions
+	     sudo losetup -f disk.img
+	     sudo partx -a /dev/loop0
+	  4. Prepare the boot partition
+	     sudo mkfs.vfat -n boot /dev/loop0p1
+	     sudo mount /dev/loop0p1 /mnt
+	     sudo cp -a output/images/efi-part/* /mnt/
+	     sudo cp output/images/bzImage /mnt/
+	     sudo umount /mnt
+	  5. Prepare the root partition
+	     sudo mkfs.ext3 -L root /dev/loop0p2
+	     sudo mount /dev/loop0p2 /mnt
+	     sudo tar -C /mnt -xf output/images/rootfs.tar
+	     sudo umount /mnt
+	  6  Cleanup loop device
+	     sudo partx -d /dev/loop0
+	     sudo losetup -d /dev/loop0
+	  7. Your disk.img is ready!
+
+	  To test your EFI image in Qemu
+	  ------------------------------
+
+	  1. Download the EFI BIOS for Qemu
+	     Version IA32 or X64 depending on the chosen Grub2
+	     platform (i386-efi vs. x86-64-efi)
+	     http://sourceforge.net/projects/edk2/files/OVMF/
+	  2. Extract, and rename OVMF.fd to bios.bin and
+	     CirrusLogic5446.rom to vgabios-cirrus.bin.
+	  3. qemu-system-{i386,x86-64} -L ovmf-dir/ -hda disk.img
+	  4. Make sure to pass pci=nocrs to the kernel command line,
+	     to workaround a bug in the EFI BIOS regarding the
+	     EFI framebuffer.
+
+	  http://www.gnu.org/software/grub/
+
+if BR2_TARGET_GRUB2
+
+choice
+	prompt "Platform"
+
+config BR2_TARGET_GRUB2_I386_PC
+	bool "i386-pc"
+	help
+	  Select this option if the platform you're targetting is a
+	  x86 or x86-64 legacy BIOS based platform.
+
+config BR2_TARGET_GRUB2_I386_EFI
+	bool "i386-efi"
+	help
+	  Select this option if the platform you're targetting has a
+	  32 bits EFI BIOS. Note that some x86-64 platforms use a 32
+	  bits EFI BIOS, and this option should be used in this case.
+
+config BR2_TARGET_GRUB2_X86_64_EFI
+	bool "x86-64-efi"
+	depends on BR2_ARCH_IS_64
+	help
+	  Select this option if the platform you're targetting has a
+	  64 bits EFI BIOS.
+
+endchoice
+
+if BR2_TARGET_GRUB2_I386_PC
+
+config BR2_TARGET_GRUB2_BOOT_PARTITION
+	string "boot partition"
+	default "hd0,msdos1"
+	help
+	  Specify the partition where the /boot/grub/grub.cfg file is
+	  located. Use 'hd0,msdos1' for the first partition of the
+	  first disk if using a legacy partition table, or 'hd0,gpt1'
+	  if using GPT partition table.
+
+endif # BR2_TARGET_GRUB2_I386_PC
+
+config BR2_TARGET_GRUB2_BUILTIN_MODULES
+	string "builtin modules"
+	default "boot linux ext2 fat part_msdos part_gpt normal biosdisk" if BR2_TARGET_GRUB2_I386_PC
+	default "boot linux ext2 fat part_msdos part_gpt normal efi_gop" \
+		if BR2_TARGET_GRUB2_I386_EFI || BR2_TARGET_GRUB2_X86_64_EFI
+
+config BR2_TARGET_GRUB2_BUILTIN_CONFIG
+	string "builtin config"
+	help
+	  Path to a Grub 2 configuration file that will be embedded
+	  into the Grub image itself. This allows to set the root
+	  device and other configuration parameters, but however menu
+	  entries cannot be described in this embedded configuration.
+
+endif # BR2_TARGET_GRUB2