arm64: dts: renesas: r9a07g0{43,44,54}: Move regulator-vbus device node

Move regulator-vbus device node from common to the usbphy-ctrl device node
of the individual SoC dtsi's as it embeds the vbus regulator.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240715140705.334183-1-biju.das.jz@bp.renesas.com


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