Fix test cases' bugs in xts suite (1/2) (without dependent commit)

1. Fix trace_marker test case
2. Fix sigchain_intercept_signal test case
3. Fix mknod test case
4. Fix atexit_dlclose test case
5. Fix raise-race test case
6. Fix timer_create, timer_getoverrun, timer_settime timed out
Issue: https://gitee.com/openharmony/third_party_musl/issues/I6Z32OSigned-off-by: zzulilyw <378305181@qq.com>

commonlibrary/toolchain/libc-test/Test.json

@@ -27,7 +27,9 @@
                 "mkdir /data/tests",
                 "mkdir /data/tests/libc-test",
                 "mkdir /data/tests/libc-test/src",
+                "mv /data/local/tmp/libc-test-lib/libatexit_dlclose_dso.so /data/tests/libc-test/src",
                 "mv /data/local/tmp/libc-test-lib/libldso_cfi_test_lib.so /data/tests/libc-test/src",
+                "param set debug.hitrace.tags.enableflags 1",
                 "echo 'root:This.is.a.test:18997:0:99999:7:::'>/etc/shadow",
                 "rm -rf /data/local/tmp/libc-test/vsyslog",
                 "rm -rf /data/local/tmp/libc-test/mincore",