dts: bindling: imx-netc: remove unused reg property

As reg property is not used by the driver and there is no proper address
could be assigned to it, so remove it.

Signed-off-by: Jiafei Pan <[email protected]>

Author: JiafeiPan

dts/bindings/ethernet/nxp,imx-netc.yaml

@@ -8,9 +8,6 @@ compatible: "nxp,imx-netc"
 include: [base.yaml]
 
 properties:
-  reg:
-    required: true
-
   msi-parent:
     type: phandle
     description: MSI controller