ARM: socfpga: dts: add fpga manager

Add FPGA manager to device tree for SoCFPGA.
Signed-off-by: Alan Tull <atull@opensource.altera.com>
Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>

arch/arm/boot/dts/socfpga.dtsi

@@ -513,6 +513,13 @@ h2f_user2_clk: h2f_user2_clk {
 				};
 		};
 
+		fpgamgr0: fpgamgr@ff706000 {
+			compatible = "altr,socfpga-fpga-mgr";
+			reg = <0xff706000 0x1000
+			       0xffb90000 0x1000>;
+			interrupts = <0 175 4>;
+		};
+
 		gmac0: ethernet@ff700000 {
 			compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac";
 			altr,sysmgr-syscon = <&sysmgr 0x60 0>;