[sanitizer] Fix prctl unit test on non-SMT systems

On systems where the kernel supports the PR_SCHED_CORE
interface, but there is no SMT, the prctl call will set
errno to ENODEV, which currently causes the test to fail.

Fix by accepting ENODEV in addition to EINVAL.

compiler-rt/test/sanitizer_common/TestCases/Linux/prctl.cpp

@@ -22,7 +22,7 @@ int main() {
   int res;
   res = prctl(PR_SCHED_CORE, PR_SCHED_CORE_CREATE, 0, 0, 0);
   if (res < 0) {
-    assert(errno == EINVAL);
+    assert(errno == EINVAL || errno == ENODEV);
     return 0;
   }