arm64: dts: renesas: white-hawk: Add I2C0 and EEPROMs

Enable the I2C0 bus on the White Hawk CPU board, and describe the I2C
EEPROMs present on the White Hawk CPU and BreakOut boards.

Based on a larger patch in the BSP by Takeshi Kihara.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d01cada6f2d3e44dd6cb26cfa8e4ce6382f1fbff.1662715538.git.geert+renesas@glider.be