wifimacwriter: Support TF201, TF300T[GL] and ME301T

For TF201 and TF300T[GL] use the same settings as for TF300T.
Thanks to hardslog for providing the ME301T values.

Confirmed to work on TF201 and TF300TG.
TF300TL is a (hopefully) intelligent guess.

Change-Id: I82876403a6b49eebcba98c4bbb1a28a11a58b4ab