arm64: defconfig: Enable RZ/V2H(P) USB2 PHY controller reset driver

Enable the `CONFIG_RESET_RZV2H_USB2PHY` option in the arm64 defconfig to
support the USB2 PHY controller reset driver on the Renesas RZ/V2H(P)
SoC, as used on the RZ/V2H EVK board.

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/20250513125858.251064-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: prabhakarlad

arch/arm64/configs/defconfig

@@ -1572,6 +1572,7 @@ CONFIG_RESET_IMX7=y
 CONFIG_RESET_QCOM_AOSS=y
 CONFIG_RESET_QCOM_PDC=m
 CONFIG_RESET_RZG2L_USBPHY_CTRL=y
+CONFIG_RESET_RZV2H_USB2PHY=m
 CONFIG_RESET_TI_SCI=y
 CONFIG_PHY_XGENE=y
 CONFIG_PHY_CAN_TRANSCEIVER=m