[CI] Shorter names for all the tests that don't fit on a column for me
[CI] Shorter names for all the tests that don't fit on a column for me

We only see about 20 characters of the display names in most cases so
the most important information should be in those 20 characters.

Signed-off-by: Drew Macrae <32d48ac45113625c0a04afe7343eae478a303684@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan