drm/i915/psr: Use hw.rotation instead of uapi.rotation
Presumably we're tryign to check if the hw plane is actually
rotated or not, so grab that information from the correct
plane (hw.rotation).
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251119181606.17129-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>