drm/i915: Catch GTT fault errors for gen11+ planes

Gen11+ has more hardware planes than gen9 so we need to test additional
pipe interrupt register bits to recognize any GTT faults that happen on
these extra planes.

Bspec: 50335
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191008211716.8391-1-matthew.d.roper@intel.com