on v6.4, the perf tool would not build anymore on CI, so I added dependencies to the CI system. to me these additions look unproblematic, but I put them up for review just in case.
see Documentation/admin-guide/workload-tracing.rst
see upstream commit 8d98ca5c02df13c1f750953bca2e308a41df08a9 ("perf build: Error if no libelf and NO_LIBELF isn't set").