perf tools: Pass build_id object to dso__build_id_equal()

Passing build_id object to dso__build_id_equal(), so we can properly
check build id with different size than sha1.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20201013192441.1299447-7-jolsa@kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>