feat(trace-ext): Add trace extension test configurations

Added a test configurations to test:
1. Access to trace buffer control registers from TFTF
2. Access to trace filter control registers from TFTF
3. Access to trace system registers from TFTF

Change-Id: I76a64b43a0254553fd0e298786c55ea49c69f5d4
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
8 files changed