ramips: mt7621-dts: remove 'bug-range' property

Property 'bus-range' when values are the default are
not necessary to be defined. Hence, remove all of them.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210506170742.28196-2-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

target/linux/ramips/dts/mt7621.dtsi

@@ -553,7 +553,6 @@
 
 		device_type = "pci";
 
-		bus-range = <0 255>;
 		ranges = <
 			0x02000000 0 0x00000000 0x60000000 0 0x10000000 /* pci memory */
 			0x01000000 0 0x00000000 0x1e160000 0 0x00010000 /* io space */
@@ -580,23 +579,20 @@
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges;
-			bus-range = <0x00 0xff>;
 		};
 
 		pcie1: pcie@1,0 {
 			reg = <0x0800 0 0 0 0>;
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges;
-			bus-range = <0x00 0xff>;
 		};
 
 		pcie2: pcie@2,0 {
 			reg = <0x1000 0 0 0 0>;
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges;
-			bus-range = <0x00 0xff>;
 		};
 	};