omap: SPL boot devices cleanup and completion

This cleans up the SPL boot devices for omap platforms and introduces support
for missing boot devices.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
diff --git a/arch/arm/include/asm/arch-omap5/spl.h b/arch/arm/include/asm/arch-omap5/spl.h
index f707998..468ff5a 100644
--- a/arch/arm/include/asm/arch-omap5/spl.h
+++ b/arch/arm/include/asm/arch-omap5/spl.h
@@ -7,17 +7,20 @@
 #ifndef	_ASM_ARCH_SPL_H_
 #define	_ASM_ARCH_SPL_H_
 
-#define BOOT_DEVICE_NONE        0
-#define BOOT_DEVICE_XIP         1
-#define BOOT_DEVICE_XIPWAIT     2
-#define BOOT_DEVICE_NAND        3
-#define BOOT_DEVICE_ONENAND    4
-#define BOOT_DEVICE_MMC1        5
-#define BOOT_DEVICE_MMC2        6
-#define BOOT_DEVICE_MMC2_2	7
-#define BOOT_DEVICE_SATA	9
-#define BOOT_DEVICE_SPI		10
+#define BOOT_DEVICE_NONE	0x00
+#define BOOT_DEVICE_XIP		0x01
+#define BOOT_DEVICE_XIPWAIT	0x02
+#define BOOT_DEVICE_NAND	0x03
+#define BOOT_DEVICE_ONENAND	0x04
+#define BOOT_DEVICE_MMC1	0x05
+#define BOOT_DEVICE_MMC2	0x06
+#define BOOT_DEVICE_MMC2_2	0x07
+#define BOOT_DEVICE_SATA	0x09
+#define BOOT_DEVICE_SPI		0x0A
+#define BOOT_DEVICE_QSPI_1	0x0A
+#define BOOT_DEVICE_QSPI_4	0x0B
 #define BOOT_DEVICE_UART	0x43
+#define BOOT_DEVICE_USB		0x45
 
 #define MMC_BOOT_DEVICES_START	BOOT_DEVICE_MMC1
 #define MMC_BOOT_DEVICES_END	BOOT_DEVICE_MMC2_2