ath79: add support for TP-Link CPE710-v1

TP-Link CPE710-v1 is an outdoor wireless CPE for 5 GHz with
one Ethernet port based on the AP152 reference board

Specifications:
- SoC: QCA9563-AL3A MIPS 74kc @ 775MHz, AHB @ 258MHz
- RAM: 128MiB DDR2 @ 650MHz
- Flash: 16MiB SPI NOR Based on the GD25Q128
- Wi-Fi 5Ghz: ath10k chip (802.11ac for up to 867Mbps on 5GHz wireless
  data rate) Based on the QCA9896
- Ethernet: one 1GbE port
- 23dBi high-gain directional 2×2 MIMO antenna and a dedicated metal
  reflector
- Power, LAN, WLAN5G Blue LEDs
- 3x Blue LEDs

Flashing instructions:
Flash factory image through stock firmware WEB UI or through TFTP
To get to TFTP recovery just hold reset button while powering on for
around 30-40 seconds and release.
Rename factory image to recovery.bin
Stock TFTP server IP:192.168.0.100
Stock device TFTP address:192.168.0.254

Signed-off-by: Andrew Cameron <apcameron@softhome.net>
[convert to nvmem, fix MAC assignment in 11-ath10k-caldata]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ath79/generic/base-files/etc/board.d/01_leds

@@ -169,7 +169,8 @@ enterasys,ws-ap3705i|\
 openmesh,mr900-v1|\
 openmesh,mr900-v2|\
 openmesh,mr1750-v1|\
-openmesh,mr1750-v2)
+openmesh,mr1750-v2|\
+tplink,cpe710-v1)
 	ucidef_set_led_netdev "lan" "LAN" "blue:lan" "eth0"
 	;;
 compex,wpj344-16m|\

target/linux/ath79/generic/base-files/etc/board.d/02_network

@@ -63,6 +63,7 @@ ath79_setup_interfaces()
 	tplink,cpe510-v3|\
 	tplink,cpe610-v1|\
 	tplink,cpe610-v2|\
+	tplink,cpe710-v1|\
 	tplink,eap225-outdoor-v1|\
 	tplink,eap225-v3|\
 	tplink,eap245-v1|\