[MTD] [NOR] Select MTD_CFI_UTIL when MTD_CFI probe routine is enabled

It requires cfi_qry_mode_on(), which is in cfi_util.c

Reported by Russell King
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/chips/Kconfig

@@ -6,6 +6,7 @@ menu "RAM/ROM/Flash chip drivers"
 config MTD_CFI
 	tristate "Detect flash chips by Common Flash Interface (CFI) probe"
 	select MTD_GEN_PROBE
+	select MTD_CFI_UTIL
 	help
 	  The Common Flash Interface specification was developed by Intel,
 	  AMD and other flash manufactures that provides a universal method