arm64: dts: rockchip: enable the gpu on quartz64-a

Enable the GPU core on the Pine64 Quartz64 Model A.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220209215549.94524-5-michael.riesch@wolfvision.net


Signed-off-by: Heiko Stuebner <heiko@sntech.de>