ARM: am3517_evm: Enable Falcon Mode

The other OMAP3 based Logic PD boards have Falcon Mode enabled,
so this patch makes it possible on the AM3517-evm as well.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index eb50012..300f565 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -71,6 +71,7 @@
 #define CONFIG_SYS_NAND_MAX_ECCPOS	56
 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x2a0000
 /* NAND block size is 128 KiB.  Synchronize these values with
  * corresponding Device Tree entries in Linux:
  *  MLO(SPL)             4 * NAND_BLOCK_SIZE = 512 KiB  @ 0x000000