colibri_t30: disable rs232 serial transceiver forceoff pins

Use gpio_early_init_uart() function to disable RS232 serial transceiver
ForceOFF# pins on Iris.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
1 file changed