This allows the full apdev dict to be passed to the add_ap() function
instead of just ifname. This allows us to handle also remote hosts while
we can check apdev['hostname'], apdev['port']. The old style ifname
argument is still accepted to avoid having to convert all callers in a
single commit.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>