[PATCH] search a little harder for mkimage

Check to see if `${CROSS_COMPILE}mkimage` exists and if not, fall back to
the standard `mkimage`

The Blackfin toolchain includes mkimage, but we dont want to namespace
collide with any of the user's system setup, so we prefix it with our
toolchain name.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/mkuboot.sh

@@ -4,12 +4,15 @@
 # Build U-Boot image when `mkimage' tool is available.
 #
 
-MKIMAGE=$(type -path mkimage)
+MKIMAGE=$(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 0;
+	fi
 fi
 
 # Call "mkimage" to create U-Boot image