arm64:dts:tr8p: Fix power supply of usb3_phy1

arch/arm64/boot/dts/seconorth/trizeps8plus.dtsi

@@ -752,13 +752,16 @@ MX8MP_IOMUXC_GPIO1_IO14__USB2_PWR		0x19
 	};
 };
 
+/*
+ * @TODO: According to WUP, the amp-tune and vref-tune properties
+ * break the power supply. Disabling them fixes this for now.
+ * However, we have to check why they are used in the first place
+ * and why they break it.
+ */
 &usb3_phy1 {
 	vbus-power-source = <&reg_usbhost_pwr>;
 	//vbus-supply = <&reg_usbhost_pwr>;
 	disable-over-current;
-	// from guf version
-	fsl,phy-tx-preemp-amp-tune = <3>;
-	fsl,phy-tx-vref-tune = <0xb>;
 	status = "okay";
 };