ARM: OMAP5: DRA7xx: Enable 8-bit eMMC access on the dra7xx_evm

Tested on a Vayu EVM Rev.E2 with DRA752 ES1.1
Signed-off-by: NLubomir Popov <l-popov@ti.com>
Reviewed-by: NTom Rini <trini@ti.com>

include/configs/dra7xx_evm.h

@@ -50,6 +50,7 @@
 #define CONFIG_EFI_PARTITION
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_CMD_PART
+#define CONFIG_HSMMC2_8BIT
 
 /* CPSW Ethernet */
 #define CONFIG_CMD_NET			/* 'bootp' and 'tftp' */