update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/board/pc/post-image.sh

@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Detect boot strategy, EFI or BIOS
+if [ -f ${BINARIES_DIR}/efi-part/startup.nsh ]; then
+  BOOT_TYPE=efi
+  # grub.cfg needs customization for EFI since the root partition is
+  # number 2, and bzImage is in the EFI partition (1)
+  cat >${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg <<__EOF__
+set default="0"
+set timeout="5"
+
+menuentry "Buildroot" {
+	linux /bzImage root=/dev/sda2 rootwait console=tty1
+}
+__EOF__
+else
+  BOOT_TYPE=bios
+  # Copy grub 1st stage to binaries, required for genimage
+  cp -f ${HOST_DIR}/usr/lib/grub/i386-pc/boot.img ${BINARIES_DIR}
+fi
+
+BOARD_DIR="$(dirname $0)"
+GENIMAGE_CFG="${BOARD_DIR}/genimage-${BOOT_TYPE}.cfg"
+GENIMAGE_TMP="${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 $?