The Renesas RZ/V2M comes with 6 Clocked Serial Interface (CSI)
IPs (CSI0, CSI1, CSI2, CSI3, CSI4, CSI5), but Linux is only
allowed access to CSI0 and CSI4.

This commit adds SoC specific device tree support for CSI0 and
CSI4.
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230622113341.657842-5-fabrizio.castro.jz@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>