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

This fixes the qspi read command by importing the changes from commit
04aa946d ("arm64: dts: imx8: change the spi-nor tx").

Fixes: b186b8b6 ("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>