ramips: add MT7615 wireless support for ELECOM WRC-GST devices

ELECOM WRC-1900GST and WRC-2533GST have two MT7615 chips for 2.4/5 GHz
wireless.

Signed-off-by: INAGAKI Hiroshi <[email protected]>
[WRC-1900GST]
Acked-by: NOGUCHI Hiroshi <[email protected]>

target/linux/ramips/dts/mt7621_elecom_wrc-gst.dtsi

@@ -194,7 +194,34 @@
 
 &pcie {
 	status = "okay";
-	/* WRC-xxxxGST has MT7615 for 2.4/5 GHz wifi, but it's not supported */
+};
+
+&pcie0 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0000>;
+		ieee80211-freq-limit = <2400000 2500000>;
+
+		led {
+			led-sources = <0>;
+			led-active-low;
+		};
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+
+		led {
+			led-sources = <0>;
+			led-active-low;
+		};
+	};
 };
 
 &xhci {

target/linux/ramips/image/mt7621.mk

@@ -291,6 +291,7 @@ define Device/elecom_wrc-1900gst
   IMAGES += factory.bin
   IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | \
 	elecom-gst-factory WRC-1900GST 0.00
+  DEVICE_PACKAGES := kmod-mt7615e kmod-mt7615-firmware wpad-basic
 endef
 TARGET_DEVICES += elecom_wrc-1900gst
 
@@ -302,6 +303,7 @@ define Device/elecom_wrc-2533gst
   IMAGES += factory.bin
   IMAGE/factory.bin := $$(sysupgrade_bin) | check-size | \
 	elecom-gst-factory WRC-2533GST 0.00
+  DEVICE_PACKAGES := kmod-mt7615e kmod-mt7615-firmware wpad-basic
 endef
 TARGET_DEVICES += elecom_wrc-2533gst