Build: re-enable FLIH tests

This reverts commit f2623acf8ae6230605b541f475b82b203532fc4c.

The issue on FLIH tests has been fixed. So re-enable FLIH tests in CI.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: If73dd565a66a6ba484c0144a4c26895e4ed282e6
1 file changed