Adds support for the WeTek Hub and Play2 boards.
The Hub is an extremely small IPTv Set-Top-Box and the Play2 is a more
traditionnal Satellite or Terrestrial and IPTv Set-Top-Box.

Both are based on the p200 Reference Design and out-of-tree support is
based on LibreELEC kernel at [1].

[1] https://github.com/wetek-enigma/linux-amlogicSigned-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: NKevin Hilman <khilman@baylibre.com>