This is useful for testing CRDA since it means you can use EPATH to
redirect the test scripts to a different crda binary.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to handle regulatory domain requests, crda needs to be
installed on the host, but we also need to install a uevent helper in
the VM so that it gets executed (since we don't run udev).
Signed-hostap: Johannes Berg <johannes.berg@intel.com>