VCMA9: Enable CONFIG_CMD_NAND_YAFFS

As this board has NAND and supports YAFFS2, add CONFIG_MD_NAND_YAFFS

Cc: David Müller <d.mueller@elsoft.ch>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: David Müller <d.mueller@elsoft.ch>

include/configs/VCMA9.h

@@ -77,6 +77,7 @@
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_BSP
 #define CONFIG_CMD_NAND
+#define CONFIG_CMD_NAND_YAFFS
 
 #define CONFIG_BOARD_LATE_INIT