Coverity: Download all repos with clone.sh

Coverity job will build several TF-M configs in one job. To avoid waste
of resource, download all needed repos with clones.sh at the beginning
of the job, so that CMake will not clone remote git repo when
configuring each single build configuration.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Ia84ca2f3e3c0ae051a950c33ce99e53f207985da
1 file changed