drm/xe/sriov: Mark BMG as SR-IOV capable

Enable SR-IOV support for BMG platforms. Note that as other flags from
the platform descriptor, it only means it may have that capability: it
still depends on runtime checks for the proper support in HW and
firmware.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Tested-by: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Signed-off-by: Jakub Kolakowski <jakub1.kolakowski@intel.com>
Reviewed-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Link: https://lore.kernel.org/r/20250710103040.375610-3-jakub1.kolakowski@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Author: mwajdecz

drivers/gpu/drm/xe/xe_pci.c

@@ -327,6 +327,7 @@ static const struct xe_device_desc bmg_desc = {
 	.has_mbx_power_limits = true,
 	.has_gsc_nvm = 1,
 	.has_heci_cscfi = 1,
+	.has_sriov = true,
 	.max_gt_per_tile = 2,
 	.needs_scratch = true,
 };