ci(handoff): add boot test config for TC platform

Add a boot flow validating configuration to support testing
of firmware handoff framework on TC4 platform.

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: Idb751463c301259db2c0245ba0b3939b5aa83f23
3 files changed