dts: msm8974: Add dma channels for blsp2_i2c1 node

Signed-off-by: NSricharan R <sricharan@codeaurora.org>
Reviewed-by: NAndy Gross <andy.gross@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-msm8974.dtsi

@@ -460,6 +460,8 @@
 			clock-names = "core", "iface";
 			#address-cells = <1>;
 			#size-cells = <0>;
+			dmas = <&blsp2_dma 20>, <&blsp2_dma 21>;
+			dma-names = "tx", "rx";
 		};
 
 		spmi_bus: spmi@fc4cf000 {