drm/xe: Update xe_sa to use xe_managed_bo_create_pin_map

Preferred way to create kernel BOs is xe_managed_bo_create_pin_map, use
it.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240820172958.1095143-7-matthew.brost@intel.com