update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/boot-mali.cmd

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+setenv bootm_boot_mode sec
+setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_no_mali_mem_reserve sunxi_fb_mem_reserve=16 consoleblank=0 ${extra}
+ext4load mmc 0 0x43000000 /boot/script.bin
+ext4load mmc 0 0x48000000 /boot/zImage
+bootz 0x48000000

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/boot.cmd

@@ -0,0 +1,5 @@
+setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 ${extra}
+ext4load mmc 0 0x49000000 /boot/${fdtfile}
+ext4load mmc 0 0x46000000 /boot/zImage
+env set fdt_high ffffffff
+bootz 0x46000000 - 0x49000000

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/genimage.cfg

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+image sdcard.img {
+	hdimage {
+	}
+
+	partition u-boot {
+		in-partition-table = "no"
+		image = "u-boot-sunxi-with-spl.bin"
+		offset = 8192
+		size = 1040384 # 1MB - 8192
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+		size = 512M
+	}
+}

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/post-build.sh

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+#!/bin/sh
+# args from BR2_ROOTFS_POST_SCRIPT_ARGS
+# $2    path of boot.cmd
+# $3    output directory for boot.scr
+
+MKIMAGE=$HOST_DIR/usr/bin/mkimage
+
+$MKIMAGE -A arm -O linux -T script -C none -d $2 $3/boot.scr
+
+if [ -e $BINARIES_DIR/script.bin ]; then
+	cp $BINARIES_DIR/script.bin $3/script.bin
+fi

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/post-image.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+BOARD_DIR="$(dirname $0)"
+GENIMAGE_CFG="${BOARD_DIR}/genimage.cfg"
+GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
+
+rm -rf "${GENIMAGE_TMP}"
+
+genimage                           \
+	--rootpath "${TARGET_DIR}"     \
+	--tmppath "${GENIMAGE_TMP}"    \
+	--inputpath "${BINARIES_DIR}"  \
+	--outputpath "${BINARIES_DIR}" \
+	--config "${GENIMAGE_CFG}"
+
+exit $?

bsp/buildroot-2017.02.11/board/olimex/a20_olinuxino/readme.txt

@@ -0,0 +1,76 @@
+A20-OLinuXino-LIME and A20-OLinuXino-MICRO
+
+Intro
+=====
+
+These are open hardware boards, all based on the Allwinner A20 SoC.
+
+for more details about the boards see the following pages:
+ - https://www.olimex.com/Products/OLinuXino/open-source-hardware
+ - https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-MICRO/
+ - https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-LIME/
+ - https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-LIME2/
+
+The following defconfigs are available:
+ - olimex_a20_olinuxino_micro_defconfig
+   for the A20-OLinuXino-MICRO board using mainline kernel
+ - olimex_a20_olinuxino_lime_defconfig
+   for the A20-OLinuXino-LIME board using mainline kernel
+ - olimex_a20_olinuxino_lime_mali_defconfig
+   for the A20-OLinuXino-LIME board using legacy linux-sunxi kernel
+ - olimex_a20_olinuxino_lime2_defconfig
+   for the A20-OLinuXino-LIME2 board using mainline kernel
+
+The legacy linux-sunxi kernels are based on the vendor code drops.
+They are only useful when accelerated 3D graphics and multimedia support
+is strictly necessary.
+
+The Mainline Kernel is already a much better choice for a headless server.
+And also the mainline kernel works fine even for a basic Linux desktop
+system running on top of a simple framebuffer, which may be good enough for
+the users who do not need fancy 3D graphics or video playback acceleration.
+
+(see http://linux-sunxi.org/Linux_Kernel for more details)
+
+How to build it
+===============
+
+Configure Buildroot:
+
+    $ make <board>_defconfig
+
+Compile everything and build the rootfs image:
+
+    $ make
+
+Result of the build
+-------------------
+
+After building, you should get a tree like this:
+
+    output/images/
+    +-- rootfs.ext2
+    +-- rootfs.ext4 -> rootfs.ext2
+    +-- script.bin (lime_mali)
+    +-- sdcard.img
+    +-- sun7i-a20-olinuxino-lime.dtb (lime, mainline)
+    +-- sun7i-a20-olinuxino-lime2.dtb (lime2, mainline)
+    +-- sun7i-a20-olinuxino-micro.dtb (micro, mainline)
+    +-- u-boot.bin
+    +-- u-boot-sunxi-with-spl.bin
+    `-- zImage
+
+
+How to write the SD card
+========================
+
+The sdcard.img file is a complete bootable image ready to be written
+on the boot medium. To install it, simply copy the image to a uSD
+card:
+
+    # dd if=output/images/sdcard.img of=/dev/sdX
+
+Where 'sdX' is the device node of the uSD.
+
+Eject the SD card, insert it in the A20-OLinuXino board, and power it up.
+