Deal with HSW/BDW in transcoder_has_psr2().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-7-ville.syrjala@linux.intel.comReviewed-by: Jouni Högander <jouni.hogander@intel.com>