ath79: D-Link DAP-2xxx (QCA953x): move art partition to DTSI

The art partition containing the radio calibration data is in the same
location for all supported devices. Move the definition to the base file
so the reference from the wmac node can reference the same file.

Cc: Sebastian Schaper <[email protected]>
Signed-off-by: Sander Vanheule <[email protected]>

target/linux/ath79/dts/qca9533_dlink_dap-2230-a1.dts

@@ -46,10 +46,4 @@
 		reg = <0xf50000 0xa0000>;
 		read-only;
 	};
-
-	art: partition@ff0000 {
-		label = "art";
-		reg = <0xff0000 0x10000>;
-		read-only;
-	};
 };

target/linux/ath79/dts/qca9533_dlink_dap-3320-a1.dts

@@ -46,10 +46,4 @@
 		reg = <0xf60000 0x90000>;
 		read-only;
 	};
-
-	art: partition@ff0000 {
-		label = "art";
-		reg = <0xff0000 0x10000>;
-		read-only;
-	};
 };

target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi

@@ -41,6 +41,12 @@
 				reg = <0x60000 0x10000>;
 				read-only;
 			};
+
+			art: partition@ff0000 {
+				label = "art";
+				reg = <0xff0000 0x10000>;
+				read-only;
+			};
 		};
 	};
 };