plat: tc0: Add cactus support

This patch adds tc0 platform support for cactus to execute at S-EL1

Change-Id: Iabac58de7c39e51968f0c5b578292e5a6111609a
Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
7 files changed