usb2_phy1 accidentally uses the same clock/reset as usb2_phy0.

Fixes: b5857630 ("arm64: dts: renesas: r8a77965: add usb2_phy nodes")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>