drm/xe: Fix alignment in GuC exec queue state defines

Normalize the alignment for readability.

v3:
 - Fix typo in commit (Himal)
 - Fix EXEC_QUEUE_STATE_WEDGED too (Himal)
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425232544.1935578-5-matthew.brost@intel.com