arm64: dts: renesas: r9a09g011: Add i2c nodes

Add device nodes for the I2C controllers that are not assigned to the
ISP.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220819193944.337599-3-phil.edworthy@renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>