arm64: dts: imx8mq-tqma8mq: change the spi-nor tx

This fixes the qspi read command by importing the changes from commit
04aa946 ("arm64: dts: imx8: change the spi-nor tx").

Fixes: b186b8b ("arm64: dts: freescale: add initial device tree for TQMa8Mx with i.MX8M")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Author: tq-steina

arch/arm64/boot/dts/freescale/imx8mq-tqma8mq.dtsi

@@ -253,7 +253,7 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		spi-max-frequency = <84000000>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <4>;
 	};
 };