Adding ROG Flow X13 to LED modes known devices

Wanted to update the LED functionality for the Flow X13. Here is what I get when I run journalctl -b -u asusd

Sep 14 14:31:20 fedora asusd[1247]: INFO: Product family: ROG Flow X13
Sep 14 14:31:20 fedora asusd[1247]: INFO: Board name: GV301QH

Added the other model which should be the eGPU one.