ci(handoff): add build config for TC platform

Add build-only test configuration for TC3 to validate
firmware handoff library compilation.

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: If4a22bb6acb7db795b574b1b5c53d14e05c381bd
2 files changed