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/include/configs/rk3368_common.h b/include/configs/rk3368_common.h
index cf51f25..bb2e96b 100644
--- a/include/configs/rk3368_common.h
+++ b/include/configs/rk3368_common.h
@@ -10,7 +10,7 @@
 
 #define CONFIG_SYS_CACHELINE_SIZE	64
 
-#include <asm/arch/hardware.h>
+#include <asm/arch-rockchip/hardware.h>
 #include <linux/sizes.h>
 
 #define CONFIG_SYS_SDRAM_BASE		0