arm64: dts: agilex: correct FPGA manager driver's compatible value

Correct the compatible property value for FPGA manager driver on
Intel Agilex SoC platform.

Signed-off-by: Richard Gong <richard.gong@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>

arch/arm64/boot/dts/intel/socfpga_agilex.dtsi

@@ -544,7 +544,7 @@ svc {
 				memory-region = <&service_reserved>;
 
 				fpga_mgr: fpga-mgr {
-					compatible = "intel,stratix10-soc-fpga-mgr";
+					compatible = "intel,agilex-soc-fpga-mgr";
 				};
 			};
 		};