wl1271: Fix AC/TID default configuration

The WMM queue default configuration was incorrect, and caused uapsd mode
problems (among possible others.)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>