qcacmn: Add support to use generic netlink sockets for userspace apps

Currently user space communication functions[cnss diag, PTT socket app]
in host driver uses netlink user sockets which is a security concern from
Linux Android SE policies.

Add support for to use netlink family cld80211 which uses generic
netlink sockets.

Change-Id: Ia833249c1f312415e38563d90214979cea3d9f0e
CRs-Fixed: 2015931
6 files changed