ARM64: dts: meson-gxbb: Enable the the IR decoder on supported boards

Enable the Infrared Remote Controller on boards which have an Infrared
receiver.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>