moto: prima: - Fix channel set failure in nl80211 driver

ACS result should not return a secondary channel for
the case where the result is actually fake.

Change-Id: Ifa493f9896de4104444ed15ab88935429baf4da0
Reviewed-on: https://gerrit.mot.com/1102067


SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Ranjeet Gupta <ranjeetgupta@motorola.com>
Submit-Approved: Jira Key
Signed-off-by: Andrew Hexen <SyberHexen@gmail.com>