Hide p2p0 interface

Turn on support for p2p on the "main" interface. This approach can be seen in f.e. https://git.codelinaro.org/clo/le/meta-qti-wlan/-/blob/wlan-service.lnx.1.3.r43-rel/recipes/wlan/qcacld32-ll-hsp_git.bb?ref_type=heads

Fixes reform-team/reform-debian-packages#4 (closed)