tools/mtd-utils: add mirror md5sum

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

Backport of r43760

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@43763 3c298f89-4303-0410-b956-a3cf2f4a3e73

tools/mtd-utils/Makefile

@@ -14,6 +14,7 @@ PKG_SOURCE_URL:=git://git.infradead.org/mtd-utils.git
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_VERSION:=5319b84974fcb71504aed2d1b8285e9c0a4a4bb8
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_MIRROR_MD5SUM:=a85581474b39e56b30439c903974acb9
 PKG_CAT:=zcat
 
 HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)