rockchip: use 'arch-rockchip' as header file path

Rockchip use 'arch-rockchip' instead of arch-$(SOC) as common
header file path, so that we can get the correct path directly.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/arch/arm/mach-rockchip/bootrom.c b/arch/arm/mach-rockchip/bootrom.c
index 2f2f73a..9ccb45e 100644
--- a/arch/arm/mach-rockchip/bootrom.c
+++ b/arch/arm/mach-rockchip/bootrom.c
@@ -4,8 +4,8 @@
  */
 
 #include <common.h>
-#include <asm/arch/bootrom.h>
-#include <asm/arch/boot_mode.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/boot_mode.h>
 #include <asm/io.h>
 #include <asm/setjmp.h>
 #include <asm/system.h>