drm/i915/display/adlp: Disable underrun recovery

It was also defeatured for ADL-P and other platforms.

BSpec: 55424
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104010858.43559-1-jose.souza@intel.com