SQUAD : Adding SQUAD configuration parameters

This patch adds a "SQUAD_CONFIGURATIONS" parameter to the
tf-m-build-config and tf-m-nightly pipelines. this is used to configure
what configurations are used as references for the SQUAD interface to
which data is sent.

Signed-off-by: Hugo L'Hostis <hugo.lhostis@arm.com>
Change-Id: I8ab2ef11986baf962454965bb541ce3491a96d4a
2 files changed