qcacld-3.0: Modify default value for switch to 11n action OUI ini

The current default value for gActionOUISwitchTo11nMode ini
leads to forcing 11n connection with vendor APs which don't
require the WAR.

Fix is to update the default value of the ini to restrict
the WAR to appropriate vendor AP.

Change-Id: Ia148da288ee16a62a8b32e54b1801bb9d19031e2
CRs-Fixed: 2461414