ath79: add support for TP-Link TL-WR841N/ND v8
CPU: Atheros AR9341 535MHz
RAM: 32MB
FLASH: 4MiB
PORTS: 4 Port 100/10 Switch, 1 Port 100/10 Wan
WiFi: Atheros AR9341 2x2:2 bgn
LED: Power (static on), LAN (controlled by Switch), WAN, SYS, WiFi, RFKill
BTN: WPS, WiFi, Reset
Installation:
Upload the factory image via the vendor-GUI.
Signed-off-by: Antonio Silverio <menion@gmail.com>
[resolve merge conflicts, squash commits, fix commit title, remove
default default off led properties, mark sysupgrade image compatible
with the ar71xx version of the board, drop blank lines from dts]
Signed-off-by: Mathias Kresin <dev@kresin.me>