drm/xe/pf: Use correct function to check LMEM provisioning

There is a typo in function call and instead of VF LMEM we were
looking at VF GGTT provisioning. Fix that.

Fixes: 234670ce ("drm/xe/pf: Skip fair VFs provisioning if already provisioned")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241216223253.819-1-michal.wajdeczko@intel.com