linux-phytec-ti

drm/bridge: cdns-mhdp: enable/disable VIF clk/rst

Currently the driver enables VIF stream 0 clk and deasserts reset at
probe time.

Improve the code to enable VIF stream 0 at bridge_enable, and disable it
at bridge disable.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>