drm/xe/irq: Check fuse mask for media engines

drm/xe/irq: Check fuse mask for media engines

Just like the other engines, check xe_hw_engine_mask_per_class() for VCS
and VECS to account for architectural availability of those registers.
With that, all the possibly available media engines can have their
interrupts enabled.

Bspec: 54030
Suggested-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20251016-xe3p-v3-20-3dd173a3097a@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>