fix(devicetree): Fix UIO access for PL access

* The label name was not right.

recipes-bsp/device-tree/files/damc-fmc2zup/pl-conf.dtsi

@@ -15,6 +15,8 @@
 		};
 		ins_bsp_fmc2zup_system_p_m_axi_app: ins_bsp_fmc2zup_system_p_m_axi_app@a0800000 {
 			reg = <0x0 0xa0800000 0x0 0x800000>;
+            compatible = "generic-uio";
+            linux,uio-name = "axiapp";
 		};
 	};
 
@@ -27,7 +29,3 @@
 
 };
 
-&ins_bsp_fmc2zup_system_p_m_axi_app1 {
-    compatible = "generic-uio";
-    linux,uio-name = "axiapp";
-};