drm/msm/hdmi: switch to drm_bridge_connector

drm/msm/hdmi: switch to drm_bridge_connector

[ Upstream commit caa24223463dfd75702a24daac13c93edb4aafac ]

Merge old hdmi_bridge and hdmi_connector implementations. Use
drm_bridge_connector instead.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20211015001100.4193241-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>