Blackfin: convert bfin_sdh to generic mmc

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/bf518f-ezbrd.h b/include/configs/bf518f-ezbrd.h
index 4928403..234e5a4 100644
--- a/include/configs/bf518f-ezbrd.h
+++ b/include/configs/bf518f-ezbrd.h
@@ -125,6 +125,7 @@
  * SDH Settings
  */
 #if !defined(__ADSPBF512__)
+#define CONFIG_GENERIC_MMC
 #define CONFIG_MMC
 #define CONFIG_BFIN_SDH
 #endif