rockchip: bootrom: Sync bootsource id enum from bootrom

Add more bootsource id:
1. BROM_BOOTSOURCE_UNKNOWN
2. BROM_BOOTSOURCE_I2C
3. BROM_BOOTSOURCE_SPI

Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
[jonas@kwiboo.se: Update commit message]
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h
index 4276a0f..ecf3b4e 100644
--- a/arch/arm/include/asm/arch-rockchip/bootrom.h
+++ b/arch/arm/include/asm/arch-rockchip/bootrom.h
@@ -43,11 +43,14 @@
  * Boot-device identifiers as used by the BROM
  */
 enum {
+	BROM_BOOTSOURCE_UNKNOWN = 0,
 	BROM_BOOTSOURCE_NAND = 1,
 	BROM_BOOTSOURCE_EMMC = 2,
 	BROM_BOOTSOURCE_SPINOR = 3,
 	BROM_BOOTSOURCE_SPINAND = 4,
 	BROM_BOOTSOURCE_SD = 5,
+	BROM_BOOTSOURCE_I2C = 8,
+	BROM_BOOTSOURCE_SPI = 9,
 	BROM_BOOTSOURCE_USB = 10,
 	BROM_LAST_BOOTSOURCE = BROM_BOOTSOURCE_USB
 };