K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2011-03-26T10:47:17.413448Z
K 7
svn:log
V 269
Introduce hardware PS-POLL support in the HAL.

Linux ath9k only enables this for AR9280 and later NICs; so
create a capability for it so it isn't enabled for earlier
NICs.

Enabling hardware PS-POLL support will come in a later commit
and will be disabled by default.

END