ramips: fix WiFi LED for ZBT WE3526

All WiFi LEDs should be triggered by low level voltage.

Fixes: https://github.com/openwrt/openwrt/issues/7485
Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16009
Signed-off-by: Hauke Mehrtens <[email protected]>

target/linux/ramips/dts/mt7621_zbtlink_zbt-we3526.dts

@@ -106,6 +106,7 @@
 
 		led {
 			led-sources = <2>;
+			led-active-low;
 		};
 	};
 };
@@ -116,6 +117,11 @@
 		reg = <0x0000 0 0 0 0>;
 		nvmem-cells = <&eeprom_factory_0>;
 		nvmem-cell-names = "eeprom";
+
+		led {
+			led-sources = <0>;
+			led-active-low;
+		};
 	};
 };