rockchip: declear boot_devices in bootrom.h
boot_devices may defined in soc file, and used in board file,
we need to delear it in header file.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h
index 3499227..0da78f3 100644
--- a/arch/arm/include/asm/arch-rockchip/bootrom.h
+++ b/arch/arm/include/asm/arch-rockchip/bootrom.h
@@ -52,6 +52,8 @@
BROM_LAST_BOOTSOURCE = BROM_BOOTSOURCE_USB
};
+extern const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1];
+
/**
* Locations of the boot-device identifier in SRAM
*/