Sync scripts with Arm internal CI

This patch syncs utility scripts and scripts
in the script directory with the internal CI.

Where a path update is required,
the changes have been commented out.

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: Ifa4bd805e345184d1378e8423e5f878a2fbfbcd4
25 files changed