Bump buildroot to version 2017-02

TG-3 #closed

bsp/buildroot/package/mfgtools/readme.txt

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+MfgTools Howto
+==============
+
+1. Build your mfgtool image
+
+Make sure to enable the following Buildroot options:
+
+BR2_PACKAGE_FREESCALE_IMX=y
+BR2_PACKAGE_IMX_UUC=y
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_CPIO_GZIP=y
+BR2_TARGET_ROOTFS_CPIO_UIMAGE=y
+
+Also modify your kernel configuration to have:
+
+CONFIG_USB_GADGET=y
+CONFIG_USB_MASS_STORAGE=y
+CONFIG_FSL_UTP=y
+CONFIG_MMC_BLOCK_MINORS=16
+
+2. Go into the output and create the necessary folders
+
+$ cd output
+$ mkdir -p "Profiles/Linux/OS Firmware/firmware"
+
+3. Create your XML update script named ucl2.xml
+
+You can find a sample XML at:
+
+$ wget https://storage.googleapis.com/boundarydevices.com/ucl2.xml \
+  -O Profiles/Linux/OS\ Firmware/ucl2.xml
+
+4. Copy the U-Boot, Kernel and initramfs images to the appropriate
+folder
+
+$ cp images/u-boot.imx images/zImage images/imx6q-sabrelite.dtb \
+  images/rootfs.cpio.uboot Profiles/Linux/OS\ Firmware/firmware/
+
+5. Copy the prebuilt binaries to be flashed
+
+Depending on your ucl2.xml file, the sample doesn't flash anything.
+
+6. Run the MfgTools client:
+
+$ ./host/usr/bin/mfgtoolcli -l mmc -s uboot_defconfig=imx \
+  -s dtbname=imx6q-sabrelite.dtb -s initramfs=rootfs.cpio.uboot \
+  -s mmc=1 -p 1
+
+For more information about the tools options, please read the
+"Manufacturing Tool V2 Quick Start Guide.docx" documentation contained
+in every mfgtools package from NXP website[1].
+
+Note: All the above commands require your Linux host user to have
+permissions to access the USB devices. Please make sure to have udev
+rules that allow the user to communicate with the BootROM IDs
+(Freescale USB recovery) as well as the one used for the UTP Linux
+image (0x066F:0x37FF).  Using 'sudo' in front of the mfgtoolcli
+command would also grant you the necessary permission but it is *not*
+recommended.
+
+Also, if your U-Boot environment doesn't include mfgtools bootargs,
+make sure to set the following:
+
+setenv bootargs "console=${console},${baudrate} g_mass_storage.stall=0 \
+	g_mass_storage.removable=1 g_mass_storage.idVendor=0x066F \
+	g_mass_storage.idProduct=0x37FF g_mass_storage.iSerialNumber=\"\" \
+	g_mass_storage.file=/fat"
+
+[1] http://www.nxp.com/products/software-and-tools/software-development-tools/i.mx-software-and-tools/i.mx-6-series-software-and-development-tool-resources:IMX6_SW