Bump buildroot to 2019.02

bsp/buildroot/board/hardkernel/odroidxu4/post-image.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+BOARD_DIR="$(dirname $0)"
+GENIMAGE_CFG="${BOARD_DIR}/genimage.cfg"
+GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
+
+cp ${BOARD_DIR}/boot.ini ${BINARIES_DIR}/
+
+# The bl1.bin.hardkernel file provided by the uboot hardkernel repository is overwritten
+# by the bl2.bin.hardkernel in the sd_fusing.sh script because it is too big.
+# In order to implement this in genimage, we need to truncate the bl1.bin file
+# so that it does not exceed the available place.
+# An issue has been filled about this: https://github.com/hardkernel/u-boot/issues/45
+truncate -s 15360 ${BINARIES_DIR}/bl1.bin.hardkernel
+
+rm -rf "${GENIMAGE_TMP}"
+
+genimage                           \
+	--rootpath "${TARGET_DIR}"     \
+	--tmppath "${GENIMAGE_TMP}"    \
+	--inputpath "${BINARIES_DIR}"  \
+	--outputpath "${BINARIES_DIR}" \
+	--config "${GENIMAGE_CFG}"
+