ARM: Add new BOOT_DEVICE_DFU boot mode

This enum is needed when SPL_DFU is enabled.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/include/asm/spl.h

@@ -28,6 +28,7 @@ enum {
 	BOOT_DEVICE_SATA,
 	BOOT_DEVICE_I2C,
 	BOOT_DEVICE_BOARD,
+	BOOT_DEVICE_DFU,
 	BOOT_DEVICE_NONE
 };
 #endif