perf tests sigtrap: Skip if running on a kernel with sleepable spinlocks

perf tests sigtrap: Skip if running on a kernel with sleepable spinlocks

There are issues as reported that need some more investigation on the
RT kernel front, till that is addressed, skip this test.

This test is already skipped for multiple hardware architectures where
the tested kernel feature is not supported.

Acked-by: Marco Elver <elver@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Clark Williams <williams@redhat.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Kate Carcia <kcarcia@redhat.com>
Cc: Marco Elver <elver@google.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/e368f2c848d77fbc8d259f44e2055fe469c219cf.camel@gmx.de/
Link: https://lore.kernel.org/r/20231129154718.326330-3-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>