I2C support, especially R_I2C port, will be needed in future. Upcoming support for H616 will need R_I2C to adjust DRAM voltage. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com>