drm/i915: Allow async flips with compression on ICL

Apparently ICL can do async flips with CCS. In fact it already
seems to work on GLK, but apparently can lead to underruns there
so we'll only enable it for ICL.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-3-ville.syrjala@linux.intel.com


Reviewed-by: Jouni Högander <jouni.hogander@intel.com>