ARM: dts: sun6i: csq cs908 dts cleanup

Remove the unused usb1_vbus_pin_csq908 node (vbus is always on on the cs908),
and sort the remaining nodes alphabetically.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>