drm/i915/psr: Perform scanline indication check for Panel Replay as well

Scanline indication needs to be checked and configure for both PSR2 and
Panel Replay Selective Update. Move this check to
intel_sel_update_config_valid.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-10-jouni.hogander@intel.com