dts: arm: rcar_gen3_cr7: Add I2C support to DTS

Add I2C bus initial support to Renesas R-Car SoC series.
Both I2C2 & I2C4 buses are supported on R-Car H3 board.

Signed-off-by: Aymeric Aillet <aymeric.aillet@iot.bzh>
2 files changed