5.10.y-cip/arm64: renesas_defconfig: Enable CONFIG_RESET_RZG2L_USBPHY_CTRL

Hi All,

This MR is for testing purpose only and should be only merged when the corresponding patches [0] have hit the CIP kernel.

[0] https://patchwork.kernel.org/project/cip-dev/cover/20211222134951.19432-1-prabhakar.mahadev-lad.rj@bp.renesas.com/

Cheers, Prabhakar