lantiq: Configure LED polarity for TDW8970.

This patch configures the correct ath9k WLAN LED polarity for the TDW8970.

Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>

SVN-Revision: 47913

target/linux/lantiq/dts/TDW8970.dts

@@ -4,4 +4,8 @@
 
 / {
 	model = "TDW8970 - TP-LINK TD-W8970";
+
+	ath9k_eep {
+		ath,led-active-high;
+	};
 };