These device trees add support for TS-7970 by Technologic Systems.
More details here:
https://wiki.embeddedarm.com/wiki/TS-7970
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
