Bump buidlroot version to 2018.02.6

bsp/buildroot/support/scripts/genimage.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+die() {
+  cat <<EOF >&2
+Error: $@
+
+Usage: ${0} -c GENIMAGE_CONFIG_FILE
+EOF
+  exit 1
+}
+
+# Parse arguments and put into argument list of the script
+opts="$(getopt -n "${0##*/}" -o c: -- "$@")" || exit $?
+eval set -- "$opts"
+
+GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
+
+while true ; do
+	case "$1" in
+	-c)
+	  GENIMAGE_CFG="${2}";
+	  shift 2 ;;
+	--) # Discard all non-option parameters
+	  shift 1;
+	  break ;;
+	*)
+	  die "unknown option '${1}'" ;;
+	esac
+done
+
+[ -n "${GENIMAGE_CFG}" ] || die "Missing argument"
+
+rm -rf "${GENIMAGE_TMP}"
+
+genimage \
+	--rootpath "${TARGET_DIR}"     \
+	--tmppath "${GENIMAGE_TMP}"    \
+	--inputpath "${BINARIES_DIR}"  \
+	--outputpath "${BINARIES_DIR}" \
+	--config "${GENIMAGE_CFG}"