ARM: dts: rockchip: Remove dma-coherent on RGA2.

Signed-off-by: Yu Qiaowei <cerf.yu@rock-chips.com>
Change-Id: I6ae7e980c546e2ceffc5e037f175d85984a91757

Author: Yu Qiaowei

arch/arm/boot/dts/rk322x.dtsi

@@ -999,7 +999,6 @@
 		interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA>;
 		clock-names = "aclk_rga", "hclk_rga", "clk_rga";
-		dma-coherent;
 		status = "disabled";
 	};
 

arch/arm/boot/dts/rk3288-android.dtsi

@@ -412,7 +412,6 @@
 	clock-names = "aclk_rga", "hclk_rga", "clk_rga";
 	assigned-clocks = <&cru ACLK_RGA>, <&cru SCLK_RGA>;
 	assigned-clock-rates = <300000000>, <300000000>;
-	dma-coherent;
 };
 
 &uart2 {

arch/arm/boot/dts/rk3288-linux.dtsi

@@ -196,7 +196,6 @@
 	clock-names = "aclk_rga", "hclk_rga", "clk_rga";
 	assigned-clocks = <&cru ACLK_RGA>, <&cru SCLK_RGA>;
 	assigned-clock-rates = <300000000>, <300000000>;
-	dma-coherent;
 	status = "okay";
 };