arm64: dts: imx8mq: Change ahb clock for imx8mq

Set ahb clock on sdma1 to get rid of "Timeout waiting for CH0"
on the imx8mq.
Signed-off-by: NAngus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq.dtsi

@@ -767,7 +767,7 @@
 				reg = <0x30bd0000 0x10000>;
 				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MQ_CLK_SDMA1_ROOT>,
-					 <&clk IMX8MQ_CLK_SDMA1_ROOT>;
+					 <&clk IMX8MQ_CLK_AHB>;
 				clock-names = "ipg", "ahb";
 				#dma-cells = <3>;
 				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";