ARM: AM43xx: Fix BOOT_DEVICE_USB ID

commit 62c5674e ("omap: SPL boot devices cleanup and completion")
cleans up the boot device ids for amx3xx soc. But mistakenly updates wrong
device IDs for AM43xx USB. Fixing the same here.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/include/asm/arch-am33xx/spl.h

@@ -56,8 +56,9 @@
 #define BOOT_DEVICE_MMC1	0x07
 #define BOOT_DEVICE_MMC2	0x08
 #define BOOT_DEVICE_SPI		0x0A
+#define BOOT_DEVICE_USB		0x0D
 #define BOOT_DEVICE_UART	0x41
-#define BOOT_DEVICE_USB		0x45
+#define BOOT_DEVICE_USBETH	0x45
 #define BOOT_DEVICE_CPGMAC	0x47
 
 #define MMC_BOOT_DEVICES_START	BOOT_DEVICE_MMC1