Revert "ci(errata_abi): remove Cortex-A710 test"

This reverts commit ac1ad404c146eb822a2ce28cab48b813e05c9a7c.
The issue was related to https://linaro.atlassian.net/browse/TFC-614
and is now fixed so undo the test removal.

Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
Change-Id: If1c4acffe7ba1c9c356397c8503c7ef13cb803a4
(cherry picked from commit 12a130cda11a0a4f28bacd7d4d1cd6fe40d8b3f1)
1 file changed