drm/xe: fix HuC FW ordering for DG1

The firmware definitions must be ordered based on platform, from newer
to older, which means that the DG1 FW must come before the ADL one.

Link: https://gitlab.freedesktop.org/drm/intel/-/issues/8699


Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20230627222856.3165647-1-daniele.ceraolospurio@intel.com