ARM: zynq: Use recommended dma-controller name instead of dmac

Use standard name for dma controller. Issue is reported by dtbs_check as
dmac@f8003000: $nodename:0: 'dmac@f8003000' does not match
'^dma-controller(@.*)?$'

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/5637d7e3464fbc1b2b269a7df35e24edc2c8d4ac.1672908080.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynq-7000.dtsi b/arch/arm/dts/zynq-7000.dtsi
index 02cf382..5ccee8b 100644
--- a/arch/arm/dts/zynq-7000.dtsi
+++ b/arch/arm/dts/zynq-7000.dtsi
@@ -369,7 +369,7 @@
 			};
 		};
 
-		dmac_s: dmac@f8003000 {
+		dmac_s: dma-controller@f8003000 {
 			compatible = "arm,pl330", "arm,primecell";
 			reg = <0xf8003000 0x1000>;
 			interrupt-parent = <&intc>;