* Add Ralink rt27xx/rt28xx/rt30xx firmware (#1242)
Add Ralink firmware for devices which have the driver enabled. The
firmware's are rather small at 20KiB in total.
* Remove Ralink and other WiFi drivers from Tinker Board
The board has on-board WiFi, no need for Ralink drivers to be enabled.
* Add Ralink WiFi drivers and firmware to ODROID boards