mxs: mmc: mx23_olinuxino: Add MMC support

Add support for the MMC attached to SSP1.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>

include/configs/mx23_olinuxino.h

@@ -53,8 +53,10 @@
 #define	CONFIG_DOS_PARTITION
 
 #define	CONFIG_CMD_CACHE
+#define	CONFIG_CMD_EXT2
 #define	CONFIG_CMD_FAT
 #define	CONFIG_CMD_GPIO
+#define	CONFIG_CMD_MMC
 
 /*
  * Memory configurations
@@ -109,6 +111,16 @@
 #define	CONFIG_CONS_INDEX		0
 #define	CONFIG_BAUDRATE			115200	/* Default baud rate */
 
+/*
+ * MMC Driver
+ */
+#ifdef	CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MXS_MMC
+#endif
+
 /*
  * APBH DMA
  */