MFC r270165,r270191:

- Sort ASUS section and add USB device ID of ASUS USB-AC51.
- Add the D-Link DWA-125 rev D1.
MFC r270192:

If eapol packets are sent at the lowest rate, key negotiation will
become more reliable.

Submitted by:	Akinori Furukoshi <moonlightakkiy at yahoo dot ca>