boards: arm: twr_ke18f: Add pinctrl dts properties

Add pinctrl-0 properties for configuration of UART, I2C, SPI, FTM,
DAC, ADC, ACMP, and PWT peripherals. These settings are based on what
is defined in the board/pinmux.c file.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
3 files changed