rockchip: i2c: enable i2c controller for rk3066 and rk3188

rockchip: i2c: enable i2c controller for rk3066 and rk3188

rk3066 and rk3188 has two I2C controller implementations.
Current I2C driver wan't work with legacy implementation.
Switching between controllers is performed using a bit inside
GFR_SOC_CON1 register. The bit setting is performed by pinctrl
driver. The patch ask pinctrl to do settings.

Signed-off-by: Alexander Kochetkov <[email protected]>
Acked-by: Philipp Tomsich <[email protected]>
Reviewed-by: Philipp Tomsich <[email protected]>
[fix warnings by including the rk3228 variant in the compatible-list]:
Signed-off-by: Philipp Tomsich <[email protected]>