feat(fgt): add support for FEAT_FGT2 testing

This patch adds testcase that validates FEAT_FGT2 support
by reading Fine-grained trap registers that are part of FEAT_FGT2.
These registers are only present when FEAT_FGT2 is implemented

Change-Id: Ifc1106d12dbe03b956310d364600368d3f035491
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
6 files changed