ARM: at91: at91sam9rlek: add mci support

This patch enable the MCI support for at91sam9rlek board.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
[rebase on ToT]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index f435d71..2ed92d6 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -124,6 +124,17 @@
 
 #endif
 
+/* MMC */
+#define CONFIG_CMD_MMC
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
 /* Ethernet - not present */
 
 /* USB - not supported */