ath79: add new OF only target for QCA MIPS silicon

This target aims to replace ar71xx mid-term. The big part that is still
missing is making the MMIO/AHB wifi work using OF. NAND and mikrotik
subtargets will follow.

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/ath79/base-files/etc/diag.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+. /lib/functions/leds.sh
+
+get_status_led() {
+	local board=$(board_name)
+
+	case $board in
+	"glinet,ar150")
+		status_led="gl-ar150:orange:wlan"
+		;;
+	"tplink,tl-wr1043nd-v1")
+		status_led="tp-link:green:system"
+		;;
+	"ubnt,unifi")
+		status_led="ubnt:green:dome"
+		;;
+	esac
+}
+
+set_state() {
+	get_status_led
+
+	case "$1" in
+	preinit)
+		status_led_blink_preinit
+		;;
+	failsafe)
+		status_led_blink_failsafe
+		;;
+	preinit_regular)
+		status_led_blink_preinit_regular
+		;;
+	done)
+		status_led_on
+		;;
+	esac
+}