drm/xe/guc: Fix spelling mistake "sheduling" -> "scheduling"

There is a spelling mistake in a xe_gt_err error message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20250912074330.1275279-1-colin.i.king@gmail.com


Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>