ARM: dts: socfpga: fix dtbs_check warning for fpga-region

soc (simple-bus): base_fpga_region: 'ranges' is a required property
	from schema $id: http://devicetree.org/schemas/simple-bus.yaml

base_fpga_region (fpga-region): $nodename:0: 'base_fpga_region' does not match
'^fpga-region(@.*|-([0-9]|[1-9][0-9]+))?$'
	from schema $id: http://devicetree.org/schemas/fpga/fpga-region.yaml

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

Author: Dinh Nguyen

arch/arm/boot/dts/intel/socfpga/socfpga.dtsi

@@ -87,12 +87,13 @@
 			};
 		};
 
-		base_fpga_region {
+		base_fpga_region: fpga-region {
 			compatible = "fpga-region";
 			fpga-mgr = <&fpgamgr0>;
 
 			#address-cells = <0x1>;
 			#size-cells = <0x1>;
+			ranges;
 		};
 
 		can0: can@ffc00000 {

arch/arm/boot/dts/intel/socfpga/socfpga_arria10.dtsi

@@ -80,12 +80,13 @@
 			};
 		};
 
-		base_fpga_region {
+		base_fpga_region: fpga-region {
 			#address-cells = <0x1>;
 			#size-cells = <0x1>;
 
 			compatible = "fpga-region";
 			fpga-mgr = <&fpga_mgr>;
+			ranges;
 		};
 
 		clkmgr@ffd04000 {