drm/msm/dpu: Use V4.0 PCC DSPP sub-block in SC7[12]80

According to various downstream sources the PCC sub-block inside DSPP is
version 4.0 since DPU 4.0 and higher, including SC7[12]80 at DPU version
6.2 and 7.2 respectively.  After correcting the version this struct
becomes identical to sm8150_dspp_sblk which is used all across the
catalog: replace uses of sc7180_dspp_sblk with that and remove
the struct definition for sc7180_dspp_sblk entirely.

Fixes: 4259ff7a ("drm/msm/dpu: add support for pcc color block in dpu driver")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/537899/
Link: https://lore.kernel.org/r/20230518-dpu-sc7180-pcc-version-v1-1-ec9ca4949e3e@somainline.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>