Merge: perf script: force stdin for flamegraph in live mode

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/604

JIRA: https://issues.redhat.com/browse/RHEL-57021

Signed-off-by: Michael Petlan <mpetlan@redhat.com>

Approved-by: ashelat <ashelat@redhat.com>
Approved-by: jbrnak <jbrnak@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Julio Faracco <jfaracco@redhat.com>

Author: jcfaracco

tools/perf/scripts/python/bin/flamegraph-report

@@ -1,3 +1,3 @@
 #!/bin/bash
 # description: create flame graphs
-perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@"
+perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py "$@"