Revert "dts: rp1: Disable DMA usage for UART0"

This reverts commit cc63d55.

Author: pelwell

arch/arm64/boot/dts/broadcom/rp1.dtsi

@@ -55,9 +55,9 @@
 			interrupts = <RP1_INT_UART0 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&rp1_clocks RP1_CLK_UART &rp1_clocks RP1_PLL_SYS_PRI_PH>;
 			clock-names = "uartclk", "apb_pclk";
-			// dmas = <&rp1_dma RP1_DMA_UART0_TX>,
-			//        <&rp1_dma RP1_DMA_UART0_RX>;
-			// dma-names = "tx", "rx";
+			dmas = <&rp1_dma RP1_DMA_UART0_TX>,
+			       <&rp1_dma RP1_DMA_UART0_RX>;
+			dma-names = "tx", "rx";
 			pinctrl-names = "default";
 			arm,primecell-periphid = <0x00541011>;
 			uart-has-rtscts;