arm64: rockchip_defconfig: enable vop dump buf debug node

Change-Id: I4149982d553b11fc9dedc51d45df5864880ffca0
Signed-off-by: Shixiang Zheng <shixiang.zheng@rock-chips.com>

Author: Shixiang Zheng

arch/arm64/configs/rockchip_defconfig

@@ -488,6 +488,7 @@ CONFIG_ROCKCHIP_ANALOGIX_DP=y
 CONFIG_ROCKCHIP_INNO_HDMI=y
 CONFIG_ROCKCHIP_LVDS=y
 CONFIG_ROCKCHIP_DRM_TVE=y
+CONFIG_ROCKCHIP_DRM_DEBUG=y
 CONFIG_ROCKCHIP_RGB=y
 CONFIG_ROCKCHIP_DRM_BACKLIGHT=y
 CONFIG_DRM_ROCKCHIP_RK618=y