Keyboard layout not detected.

SDDM isn't picking up the keyboard layout. 

Output of `/etc/vconsole.conf`:

```
KEYMAP=pt-latin9
FONT=Lat2Terminus16
```

Output of Systemd's  `localectl`

```
System Locale: LANG=en_GB.UTF-8
   VC Keymap: pt-latin9
   X11 Layout: pt
   X11 Model: dell101
   X11 Variant: latin9
```
