feat(dt-bindings): introduce Dualroot CoT DTB

Add Dualroot CoT DTB, which allows Dualroot platforms to get their chain
of trust description from a configuration file, rather than hard-coding
it into the firmware source code itself.

Change-Id: I03af8f28ba7ad56b883ff5e7961500ffdb8c3957
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
1 file changed