ot1200: add SPL configuration

We will only support loading u-boot.img from SPI flash stored
at the offset of 64k.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>

include/configs/ot1200.h

@@ -108,6 +108,16 @@
 #endif
 
 
+/* SPL */
+#ifdef CONFIG_SPL
+#include "imx6_spl.h"
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SYS_SPI_U_BOOT_OFFS     (64 * 1024)
+#define CONFIG_SPL_SPI_LOAD
+#endif
+
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_MII