drm/msm/dsi: Enable widebus for DSI

DSI 6G v2.5.x+ supports a data-bus widen mode that allows DSI to send
48 bits of compressed data instead of 24.

Enable this mode whenever DSC is enabled for supported chipsets.

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/553762/
Link: https://lore.kernel.org/r/20230822-add-widebus-support-v4-4-9dc86083d6ea@quicinc.com


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