drm/xe/multi_queue: Handle invalid exec queue property setting

drm/xe/multi_queue: Handle invalid exec queue property setting

Only MULTI_QUEUE_PRIORITY property is valid for secondary queues of a
multi queue group. MULTI_QUEUE_PRIORITY only applies to multi queue group
queues. Detect invalid user queue property setting and return error.

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251211010249.1647839-24-niranjana.vishwanathapura@intel.com