arm64: defconfig: Enable Renesas RZ/G2L MIPI DSI driver

Enable MIPI DSI driver support for Renesas RZ/G2L based platforms.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20221122184854.1820126-1-biju.das.jz@bp.renesas.com


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