meson.build: fix intel atomics detection

Use the stronger compiler.link() test (instead of the weaker
compiler.compile()) to fix the intel atomics detection.

Fixes false positive in case of sparc compile (buildroot toolchain).

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>