Bump buidlroot version to 2018.02.6

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

@@ -1,35 +1,14 @@
 #!/bin/sh
 
+BOARD_DIR="$(dirname $0)"
+
 # 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__
+  cp -f ${BOARD_DIR}/grub-efi.cfg ${BINARIES_DIR}/efi-part/EFI/BOOT/grub.cfg
 else
-  BOOT_TYPE=bios
+  cp -f ${BOARD_DIR}/grub-bios.cfg ${TARGET_DIR}/boot/grub/grub.cfg
   # Copy grub 1st stage to binaries, required for genimage
-  cp -f ${HOST_DIR}/usr/lib/grub/i386-pc/boot.img ${BINARIES_DIR}
+  cp -f ${HOST_DIR}/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 $?