wil6210: allow scan on AP interface

Scan is allowed only on client interfaces (STA/P2P).
Allow scan on AP interface so that the AP can discover rouge
or unauthorized neighbor APs.

Change-Id: I8a473ff8f30d8c4745e2fc6477c4b8015c1663f7
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Git-commit: af2cd85e8dbd4241c21c0136d13e36b0043604ba
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git


Signed-off-by: Maya Erez <merez@codeaurora.org>