linux-imx

dt-bindings: gpu: mali-utgard: add optional supply regulator

Mali GPUs have a separate supplying regulator in a lot of socs,
so describe a mali-supply property. The already described
operating points will likely also need access to this regulator.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>