drm/xe/oa: Move fini to xe_oa
Like done with other functions, cleanup the error handling in
xe_device_probe() by moving the OA fini to be handled by xe_oa
itself, which relies on devm to call the cleanup function.
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213192909.996148-9-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>