ARM: dts: rk322x: Correct the uart2 default pin configuration

To match the iomux setting of uart2 at SPL, correct the uart2
default pin configuration, if not changed, the evb-rk3229 can't
output the log message.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
1 file changed