ARM: dts: meson: mark the clock controller also as reset controller

The clock controller provides a few reset lines as well. Add the
corresponding CPU cores.

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