drm/msm/dpu: move the rest of plane checks to dpu_plane_atomic_check()

drm/msm/dpu: move the rest of plane checks to dpu_plane_atomic_check()

Move plane state updates from dpu_crtc_atomic_check() to the function
where they belong: to dpu_plane_atomic_check().

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Abhinav Kumar <quic_abhinavk@quicinc.com> # sc7280
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/527335/
Link: https://lore.kernel.org/r/20230316161653.4106395-17-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>