valgrind: Do not use outline-atomics on aarch64
This avoids the __getauxval undefined reference error seen with gcc10 on
doing static linking with -nodefaultlibs, which is uncommon usecase
anyway, disabling outline-atomics is not a huge deal for OE in terms of
performance as we already use -mcpu which is tuned enough to the SOC the
code is being generated for
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
3952738d083b888e5b898ed3d63a0ed9a4dd3712)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
