mmc-utils: upgrade to latest revision

New features are commands for eMMC cache control and gp partition
creation.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

utils/mmc-utils/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mmc-utils
-PKG_VERSION=2015-03-25-$(PKG_SOURCE_VERSION)
+PKG_VERSION=2015-05-01-$(PKG_SOURCE_VERSION)
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
-PKG_SOURCE_VERSION:=50b68547ad895803128519af71c31b9f14bfc791
+PKG_SOURCE_VERSION:=d0b46442b50794217e53b2455c1344c548d9d088
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_SOURCE_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.gz