drm/msm/dpu: fix SSPP_UBWC_STATIC_CTRL programming on UBWC 5.x+

drm/msm/dpu: fix SSPP_UBWC_STATIC_CTRL programming on UBWC 5.x+

Code in dpu_hw_sspp_setup_format() doesn't handle UBWC versions bigger
than 4.0. Replace switch-case with if-else checks, making sure that the
register is initialized on UBWC 5.x (and later) hosts.

Fixes: c2577fc1740d ("drm/msm/dpu: Add support for SM8750")
Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/699280/
Link: https://lore.kernel.org/r/20260119-msm-ubwc-fixes-v4-4-0987acc0427f@oss.qualcomm.com