In fact, we don't really use simplefb, but just use it to integrate
the following three modules that cvi_fb depends on into the kernel,
so that we don't need to manually insmod these three modules
before loading cvi_fb.ko
CONFIG_FB_CFB_COPYAREA
CONFIG_FB_CFB_FILLRECT
CONFIG_FB_CFB_IMAGEBLIT
Signed-off-by: carbon <carbon@milkv.io>
e8ed043435