ramips: bdcom-wap2100: Enable mt7610e 5GHz radio

The 5GHz radio of this device uses an mt7610e PCI-E chip, which has
been recently started to be supported.

 mt76x0e 0000:01:00.0: card - bus=0x1, slot = 0x0 irq=4
 mt76x0e 0000:01:00.0: ASIC revision: 76100002
 mt76x0e 0000:01:00.0: Firmware Version: 0.1.00
 mt76x0e 0000:01:00.0: EEPROM ver:01 fae:00
Signed-off-by: Petr Štetiar <ynezz@true.cz>

target/linux/ramips/dts/BDCOM-WAP2100-SK.dts

@@ -130,6 +130,18 @@
 	ralink,mtd-eeprom = <&factory 0>;
 };
 
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
 &pinctrl {
 	state_default: pinctrl0 {
 		default {

target/linux/ramips/image/mt7620.mk

@@ -84,7 +84,7 @@ define Device/bdcom_wap2100-sk
   DTS := BDCOM-WAP2100-SK
   IMAGE_SIZE := 15808k
   DEVICE_TITLE := BDCOM WAP2100-SK (ZTE ZXECS EBG3130)
-  DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-mt76 kmod-sdhci-mt7620 kmod-usb-ledtrig-usbport
+  DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-mt76x2 kmod-mt76x0e kmod-sdhci-mt7620 kmod-usb-ledtrig-usbport
 endef
 TARGET_DEVICES += bdcom_wap2100-sk