arm64: dts: renesas: r8a77995: draak: enable USB2.0 PHY

This patch enables USB2.0 PHY for R-Car D3 draak board.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>