ci(coverity): add coverage for FEAT-Errata ABI

This patch adds a build config for Errata ABI to tf-cov-make,
to ensure that the relevant code and files are scanned.

Signed-off-by: Sona Mathew <SonaRebecca.Mathew@arm.com>
Change-Id: Ie3453f7c55bf575eb73f96c1c16ab0c8768e07ec
(cherry picked from commit ff9c2a71574e99fbba42768b784293fe93a23be7)
1 file changed