buildroot

package/wpa_supplicant: enable interface matching option

The new wpa_supplicant command line argument -M can be used to describe
matching rules with a wildcard interface name (e.g., "wlan*").

This is very useful for systems without udev.

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>