arm64: dts: renesas: rzg2lc-smarc: Enable CRU, CSI support

Enable CRU, CSI on RZ/G2LC SMARC EVK and tie the CSI to the OV5645 sensor
using Device Tree overlay.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230413114016.16068-1-prabhakar.mahadev-lad.rj@bp.renesas.com


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