Valkyrie: Add valgrind suppression files
Add a minimum set of valgrind suppression files. The original, mostly outdated set was removed in !29458 (merged). Wherever possible rely on upstream suppression files.
A helper script is provided to setup the recommended set of suppression
files for ATLAS jobs via $VALGRIND_OPTS
:
source `which valgrind-atlas-opts.sh`
valgrind ...