arm64: dts: stratix10: add stratix10 service driver binding to base dtsi

Add Intel Stratix10 service layer to the device tree
Signed-off-by: NRichard Gong <richard.gong@intel.com>
Signed-off-by: NAlan Tull <atull@kernel.org>
Acked-by: NMoritz Fischer <mdf@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi

@@ -24,6 +24,19 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		service_reserved: svcbuffer@0 {
+			compatible = "shared-dma-pool";
+			reg = <0x0 0x0 0x0 0x1000000>;
+			alignment = <0x1000>;
+			no-map;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -537,5 +550,13 @@
 
 			status = "disabled";
 		};
+
+		firmware {
+			svc {
+				compatible = "intel,stratix10-svc";
+				method = "smc";
+				memory-region = <&service_reserved>;
+			};
+		};
 	};
 };