wifimacwriter: Support TF201 and TF300T[GL]

For TF201 and TF300T[GL] use the same settings as for TF300T.

Confirmed to work on TF201 and TF300TG.
TF300TL is a (hopefully) intelligent guess.

Change-Id: Ibc8d09c2dbf6005151768b93855d1c29ab761df0