Add Mali GPU device tree node for the rk3288 SoC, with devfreq
opp table.
Signed-off-by: NGuillaume Tucker <guillaume.tucker@collabora.com>
Tested-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>