Migrate the testsuite tests/boards/native_posix/cpu_wait to the new ztest API. Signed-off-by: Enjia Mai <enjia.mai@intel.com>
Add a new test for k_busy_wait and cpu_hold Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com> Signed-off-by: Wolfgang Puffitsch <wopu@demant.com>