ARM: orion5x: keep TODO list in edmini_v2 DT

In preparation to the complete removal of non-DT support for
edmini_v2, this commit copies the TODO list of things to support from
the old-style board file into the Device Tree of edmini_v2.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-33-git-send-email-thomas.petazzoni@free-electrons.com


Signed-off-by: Jason Cooper <jason@lakedaemon.net>