devkit8000: Add config to enable SPL MMC boot

Add MMC boot configs to devkit8000 config.

Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
index ba0d23e..eed1b06 100644
--- a/include/configs/devkit8000.h
+++ b/include/configs/devkit8000.h
@@ -322,7 +322,12 @@
 #define CONFIG_SPL_SERIAL_SUPPORT
 #define CONFIG_SPL_POWER_SUPPORT
 #define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_FAT_SUPPORT
 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
+#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
+#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 
 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
 #define CONFIG_SPL_MAX_SIZE		0xB400  /* 45 K */