arm64: dts: meson-gxbb-wetek: enable bluetooth

This enables Bluetooth support for the following models:

AP6335 in the WeTek Hub rev1 - BCM4335C0.hcd
AP6255 in the WeTek Hub rev2 - BCM4345C0.hcd
AP6330 in the WeTek Play 2 - BCM4330B1.hcd

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>