arm64: dts: imx8dxl: drop #stream-id-cells for usb node

There is no SMMU in i.MX8DXL, drop #stream-id-cells which
is for SMMU-v2.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230322052504.2629429-9-peng.fan@oss.nxp.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm64/boot/dts/freescale/imx8dxl-ss-conn.dtsi

@@ -49,7 +49,6 @@ usbotg2: usb@5b0e0000 {
 		ahb-burst-config = <0x0>;
 		tx-burst-size-dword = <0x10>;
 		rx-burst-size-dword = <0x10>;
-		#stream-id-cells = <1>;
 		power-domains = <&pd IMX_SC_R_USB_1>;
 		status = "disabled";