wifi: Fix hostapd with the qcom sdk

Change-Id: Ic2913ff5bef9116361f3e03214aff3cd2d525768
merge changes from CyanogenMod 10.2 into local branch
Mako: Set min_freq to 192 MHz

[log]

Change-Id: I47c66d75c129086ccce4d79f3e6b94eef2449a75