drm/xe/guc: Increase wait timeout to 2sec after BUSY reply from GuC

drm/xe/guc: Increase wait timeout to 2sec after BUSY reply from GuC

Some VF2GUC actions may take longer to process. Increase default timeout
after received BUSY indication to 2sec to cover all worst case scenarios.

Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-35-matthew.brost@intel.com