Merge tag 'md/4.4-rc0-fix' of git://neil.brown.name/md

Pull config fix for md from Neil Brown:
 "New config dependency needed as md/raid5 now uses crc32c"

* tag 'md/4.4-rc0-fix' of git://neil.brown.name/md:
  raid5-cache: add crc32c Kconfig dependency

drivers/md/Kconfig

@@ -123,6 +123,7 @@ config MD_RAID456
 	tristate "RAID-4/RAID-5/RAID-6 mode"
 	depends on BLK_DEV_MD
 	select RAID6_PQ
+	select LIBCRC32C
 	select ASYNC_MEMCPY
 	select ASYNC_XOR
 	select ASYNC_PQ