arm64: dts: qcom: qcs404: Use BAM DMA for serial uart2

We can use BAM DAM for serial UART data transfers, so add it
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -341,6 +341,8 @@ blsp1_uart2: serial@78b1000 {
 			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
+			dmas = <&blsp1_dma 5>, <&blsp1_dma 4>;
+			dma-names = "rx", "tx";
 			status = "okay";
 		};