usb: typec: qcom-pmic-typec: register drm_bridge

The current approach to handling DP on bridge-enabled platforms requires
a chain of DP bridges up to the USB-C connector. Register a last DRM
bridge for such chain.

Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230817150824.14371-3-dmitry.baryshkov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>