[PATCH] arm64: dts: imx8mm-beacon: Fix ecspi2 pinmux

[Shawn Guo]

On Fri, Dec 02, 2022 at 01:10:37PM -0600, Adam Ford wrote:
> Early hardware did not support hardware handshaking on the UART, but
> final production hardware did.  When the hardware was updated the chip
> select was changed to facilitate hardware handshaking on UART3.  Fix the
> ecspi2 pin mux to eliminate a pin conflict with UART3 and allow the
> EEPROM to operate again.
> 
> Fixes: 4ce01ce36d77 ("arm64: dts: imx8mm-beacon: Enable RTS-CTS on UART3")
> Signed-off-by: Adam Ford <aford173 at gmail.com>

Applied, thanks!