Add nodes for the Visionox VTDR6130 found on the SM8550-MTP
device.

TLMM states are also added for the Panel reset GPIO and
Tearing Effect signal for when the panel is running in
DSI Command mode.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230104-topic-sm8550-upstream-dts-display-v4-3-1729cfc0e5db@linaro.org