rv1103g sdk中如何配置kernel、uboot启动logo，使用lcd st7735r屏幕。当前驱动存在失败log如下：
[ 0.067148] rockchip-drm display-subsystem: bound ff990000.vop (ops 0xb03f4b0c)
[ 0.067210] rockchip-rgb ff000000.syscon:rgb: [drm:rockchip_rgb_bind] *ERROR* failed to find panel or bridge: -19
[ 0.067226] rockchip-drm display ...