drm/xe/vf: Don't register I2C devices if VF

VF drivers can't access I2C devices, so skip their registration when
running as VF.

Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Fixes: f0e53aa ("drm/xe: Support for I2C attached MCUs")
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250717155420.25298-1-lukasz.laguna@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 9a220e0)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Author: lukaszlaguna

drivers/gpu/drm/xe/xe_i2c.c

@@ -283,6 +283,9 @@ int xe_i2c_probe(struct xe_device *xe)
 	if (xe->info.platform != XE_BATTLEMAGE)
 		return 0;
 
+	if (IS_SRIOV_VF(xe))
+		return 0;
+
 	xe_i2c_read_endpoint(xe_root_tile_mmio(xe), &ep);
 	if (ep.cookie != XE_I2C_EP_COOKIE_DEVICE)
 		return 0;