rockchip: defconfig: puma-rk3399: enable I2C

The RK3399-Q7 exposes I2C on its edge connector and uses it as one of
the interfaces towards the on-module STM32 (for the emulated RTC and
fan-controller).

Enable I2C and CMD_I2C support in the defconfig.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed