rockchip: configs: use rockchip-common.h for rk3368

rockchip-common.h already defines values that are missing from
rk3368_common.h

For example BOOT_TARGET_DEVICES was defined empty and therefore
distroboot had no boot targets.

Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.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 8b4155f..b643cc2 100644
--- a/include/configs/rk3368_common.h
+++ b/include/configs/rk3368_common.h
@@ -7,6 +7,8 @@
 #ifndef __CONFIG_RK3368_COMMON_H
 #define __CONFIG_RK3368_COMMON_H
 
+#include "rockchip-common.h"
+
 #define CONFIG_SYS_CACHELINE_SIZE	64
 
 #include <asm/arch/hardware.h>
@@ -44,10 +46,6 @@
 	"kernel_addr_r=0x280000\0" \
 	"ramdisk_addr_r=0x5bf0000\0"
 
-#include <config_distro_defaults.h>
-
-#define BOOT_TARGET_DEVICES(func)
-
 #include <config_distro_bootcmd.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \