mako: wifi: Update NV file to disable passive scan on channel 12 and 13

Active and passive scanning in channels 12-14 must be fully disabled on
all devices sold in US per new FCC rule. The FCC has set a deadline of
Sept 1, 2014 for all new products to comply

Bug: 10513590
Change-Id: Icb8f205c6c51da05c6a8edff88b2cd0fc39338d9