test(fvp): add test config for measured boot on RME-enabled FVP

We did not have any such test configs until now, all we had was some
measured boot test configs for non-RME FVP. Add one with TFTF.

Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Change-Id: Id972844bb5b446de30a36f39875f076595c25807
2 files changed