v4.19.13 snapshot.
diff --git a/scripts/mkuboot.sh b/scripts/mkuboot.sh
new file mode 100755
index 0000000..4b1fe09
--- /dev/null
+++ b/scripts/mkuboot.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+#
+# Build U-Boot image when `mkimage' tool is available.
+#
+
+MKIMAGE=$(type -path "${CROSS_COMPILE}mkimage")
+
+if [ -z "${MKIMAGE}" ]; then
+	MKIMAGE=$(type -path mkimage)
+	if [ -z "${MKIMAGE}" ]; then
+		# Doesn't exist
+		echo '"mkimage" command not found - U-Boot images will not be built' >&2
+		exit 1;
+	fi
+fi
+
+# Call "mkimage" to create U-Boot image
+${MKIMAGE} "$@"