ath9k: Fix interface limits

There is no reason why managed/p2p interfaces have to
be limited to one. IBSS is the only type that needs
a restriction.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
1 file changed