DMA-Cotrollers defined in rk356x.dtsi do not match the pattern in bindings.

arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dt.yaml:
  dmac@fe530000: $nodename:0: 'dmac@fe530000' does not match '^dma-controller(@.*)?$'
	From schema: Documentation/devicetree/bindings/dma/arm,pl330.yaml
arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dt.yaml:
  dmac@fe550000: $nodename:0: 'dmac@fe550000' does not match '^dma-controller(@.*)?$'
	From schema: Documentation/devicetree/bindings/dma/arm,pl330.yaml

This Patch fixes it.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220123133615.135789-1-linux@fw-web.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>