riscv: dts: starfive: jh7110: pciephy0 USB 3.0 configuration registers

StarFive JH7110 contains a Cadence USB2.0+USB3.0 controller IP block that
may exclusively use pciephy0 for USB3.0 connectivity. Add the register
offsets for the driver to enable/disable USB3.0 on pciephy0.

Signed-off-by: E Shattow <e@freeshell.de>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

Author: E Shattow

arch/riscv/boot/dts/starfive/jh7110.dtsi

@@ -611,6 +611,8 @@
 		pciephy0: phy@10210000 {
 			compatible = "starfive,jh7110-pcie-phy";
 			reg = <0x0 0x10210000 0x0 0x10000>;
+			starfive,sys-syscon = <&sys_syscon 0x18>;
+			starfive,stg-syscon = <&stg_syscon 0x148 0x1f4>;
 			#phy-cells = <0>;
 		};