victara: init: We don't use btwlancoex

This would be a no-op on stock and is definitely a no-op (if it
even got enabled, which it doesn't) on cm.
victara: init: Update supplicant / dhcpcd config

This fixes a problem where the wifi adapter would enter a state
where it was trying to use an IPv4LL address for ever more and
never reconnect to networks.
victara: proprietary-files: Add missing bluetooth nv lib