linux-phytec-ti

drm/bridge: cdns-mhdp: Remove setting register DP_SET_POWER twice.

Function cdns_mhdp_link_up() configures register DP_SET_POWER. It also
calls drm_dp_link_power_up() which internally configures the same
register. So remove setting DP_SET_POWER explicitly from function
cdns_mhdp_link_up().

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>