adrian 06d8daf5f3 Bring over an XPA (external power amplifer) bias fix for the AR9160.
This fix modifies the const addac initval array, rather than modifying
a local copy. It means that running >1 AR9160 on a board may prove to
be unpredictable.

The AR5416 init path also does something similar, so supporting
>1 AR5416 of different revisions could cause problems.

The later fix will be to create a private copy of the Addac data
for the AR5416, AR9160 (and AR9100 when it's merged in) and then
modify that as needed.

Obtained From:	Linux ath9k
2011-03-22 10:29:36 +00:00
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