feat(spe): add simple SPE test

Added simple SPE test that reads static profiling system registers
of available SPE version i.e. FEAT_SPE/FEAT_SPEv1p1/FEAT_SPEv1p2

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I6fe02914b0ad5e8b702654dab27aee449b3b7b9f
5 files changed