feat: Add SME and HCX feature builds to tf-cov-make

This patch adds a build config for SME and HCX features to tf-cov-make to
ensure that the relevant code and files are scanned.

Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I16a3323b26a1627e2f81246e91f226922e823c30
1 file changed