refactor(fgt): modify FEAT_FGT test to check for init values

The original test checked only if FEAT_FGT was enabled. This new version
of the test also checks whether the values of registers HFG*_EL2 are the
values used during initialization.

Signed-off-by: Juan Pablo Conde <juanpablo.conde@arm.com>
Change-Id: I17673b813da7f14ef03349eead2c0a47cf3a8b26
2 files changed