Updated the CoT binding document to show chain of trust relationship
with the help of 'authentication method' and 'authentication data'
instead of showing content of certificate and fixed rendering issue
while creating html page using this document.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ib48279cfe786d149ab69ddc711caa381a50f9e2b