Use REG_BIT & co. for PCH_TRANSCONF/TRANS_DP_CTL bits, and adjust the naming a some bits to be more consistent. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211112193813.8224-6-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>