wifi: use proper mac address shipped with device efs
The wl12xx driver is using a generic wifi mac current
and may cause issues. Hence we are generating a new
NVS file and adding a symlink. The WIFI MAC for each
device is prevent in /efs/imei/.nvmac.info

Adapted from BN Encore. Thanks to steven676
wifi: fixup softap mode
latona: cleanup - remove older wifi firmwares and configs
latona: device specific dalvik changes
usb: support for newer usb gadget on 3.0 kernel
init:usb: fixup deprecated variables