wifi: support WPA2 ad-hoc (ibss-rsn)

If the device supports it, allow usage of WPA2 in ad-hoc networks.

Based on patch by Nicolas Cavallari <cavallar@lri.fr>

#184
17 jobs for bg/ibss-rsn in 30 minutes and 16 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #521735
allowed to fail
checkpatch

00:01:15

manual #521740
allowed to fail manual
t_centos:7.5.1804
passed #521741
t_centos:7.6.1810

00:21:29

passed #521747
t_debian:10

00:20:24

passed #521746
t_debian:9

00:14:46

passed #521749
t_debian:sid

00:16:05

manual #521748
allowed to fail manual
t_debian:testing
passed #521736
t_fedora:28

00:20:46

passed #521737
t_fedora:29

00:30:14

passed #521738
t_fedora:30

00:27:03

manual #521739
allowed to fail manual
t_fedora:rawhide
passed #521742
t_ubuntu:16.04

00:12:27

passed #521743
t_ubuntu:18.04

00:15:41

manual #521745
allowed to fail manual
t_ubuntu:devel
manual #521744
allowed to fail manual
t_ubuntu:rolling
 
  External
failed https://desktopqe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/beaker-NetworkManager-gitlab-trigger-code-upstream/600/

failed https://desktopqe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/beaker-NetworkManager-gitlab-trigger-code-upstream/600/

05:56:04