Support for priviledge seperation with wpa_supplicant

[Bjarke Istrup Pedersen <gurligebis@gentoo.org>]

I user requested that Gentoo should support wpa_supplicant with priviledge seperation (a daemon running as root, and a client talking to it being spawned when wpa_supplicant would normally be started, from what I can read from the README file).

This bug explains it better:  http://bugs.gentoo.org/show_bug.cgi?id=249930

Making the ebuild compile it with this config is not a problem, but it seems like the init scripts needs some patching, which is where openrc somes into the picture :-)

[roy]

The net.foo scripts are being deprecated.
wpa_supplicant will get it's own init script soon, where user sep can be managed there.