librem5-base-defaults: Turn off WiFi powersave by default

It causes issues with current Redpine driver.

debian/librem5-base-defaults.install

@@ -27,6 +27,9 @@ default/machine-info etc/
 # Allow NetworkManager to manage the usb0 interface
 default/90-nm-gadget-managed.rules   /usr/lib/udev/rules.d/
 
+# Default to WiFi powersave being disabled to avoid issues
+default/90-wifi-powersave.conf       usr/lib/NetworkManager/conf.d/
+
 # GPSD
 default/gpsd/librem5-gpsd /etc/default/
 default/gpsd/gpsd.service.d /lib/systemd/system/

default/90-wifi-powersave.conf

+[connection]
+# Values are 0 (use default), 1 (ignore/don't touch), 2 (disable) or 3 (enable).
+wifi.powersave = 2