product/tc2: Update fast channel config to use transport fc

This change enables tc2 ram firmware to use transport layer based fast
channel implementation. Necessary changes are added to the config
files of relevant modules.

Change-Id: I454587bf224f68d7fd52eeb1cde2e0d43231eb04
Signed-off-by: Girish Pathak <girish.pathak@arm.com>
Signed-off-by: Md Golam Tanvir Zim <mdgolamtanvir.zim@arm.com>