ath79: add support for I-O DATA WN-AC1167DGR

I-O DATA WN-AC1167DGR is a 2.4/5 GHz band 11ac router, based on
Qualcomm Atheros QCA9557.

Specification:

- Qualcomm Atheros QCA9557
- 128 MB of RAM (DDR2)
- 16 MB of Flash (SPI)
- 2T2R 2.4/5 GHz wifi
  - 2.4 GHz: SoC internal
  - 5 GHz: QCA988x
- 5x 10/100/1000 Mbps Ethernet
- 6x LEDs, 6x keys (4x buttons, 1x slide switch)
- UART header on PCB
  - Vcc, GND, TX, RX from ethernet port side
  - 115200n8

Flash instruction using factory image:

1. Connect the computer to the LAN port of WN-AC1167DGR
2. Connect power cable to WN-AC1167DGR and turn on it
3. Access to "http://192.168.0.1/" and open firmware update page
("ファームウェア")
4. Select the OpenWrt factory image and click update ("更新") button
5. Wait ~150 seconds to complete flashing

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>

target/linux/ath79/image/generic.mk

@@ -67,6 +67,18 @@ define Device/glinet_ar300m_nor
 endef
 TARGET_DEVICES += glinet_ar300m_nor
 
+define Device/iodata_wn-ac1167dgr
+  ATH_SOC := qca9557
+  DEVICE_TITLE := I-O DATA WN-AC1167DGR
+  IMAGE_SIZE := 14656k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-kernel | pad-to $$$$(BLOCKSIZE) | \
+    append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE) | \
+    senao-header -r 0x30a -p 0x61 -t 2
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-ath10k ath10k-firmware-qca988x
+endef
+TARGET_DEVICES += iodata_wn-ac1167dgr
+
 define Device/iodata_wn-ac1600dgr2
   ATH_SOC := qca9557
   DEVICE_TITLE := I-O DATA WN-AC1600DGR2