drm/xe/guc: Update to GuC firmware 70.19.2

API compatibility version: 1.8.2

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240202200017.2133438-5-John.C.Harrison@Intel.com