Build: Temporarily disable FLIH tests

There is a known issue in FLIH tests which keeps blocking Open CI.
Temporarily disable FLIH tests to unblock CI until the issue got fixed.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I7dc4408e57611aca50653c11be978efe7a371daa
1 file changed