mediatek: fix PCI device tree node for elecom wrc-2533gent

Signed-off-by: Felix Fietkau <[email protected]>

target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-elecom-wrc-2533gent.dts

@@ -169,10 +169,13 @@
         pinctrl-names = "default";
         pinctrl-0 = <&pcie0_pins>;
         status = "okay";
-        mt7615@0,0 {
+};
+
+&slot0 {
+	mt7615@0,0 {
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x05000>;
-        };
+	};
 };
 
 &pio {