drm/msm/dpu: Add MISR register support for interface

drm/msm/dpu: Add MISR register support for interface

Add support for setting MISR registers within the interface

Changes since V1:
- Replaced dpu_hw_intf collect_misr and setup_misr implementations with
  calls to dpu_hw_utils helper methods

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490730/
Link: https://lore.kernel.org/r/20220622171835.7558-4-quic_jesszhan@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>