selftests/seccomp: Add hard-coded __NR_uprobe for x86_64

This complements the commit 18f7686 ("selftests/seccomp:
Add hard-coded __NR_uretprobe for x86_64").

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://patch.msgid.link/ac_BAMSggw-_ABPE@redhat.com
Signed-off-by: Kees Cook <kees@kernel.org>

Author: oleg-nesterov

tools/testing/selftests/seccomp/seccomp_bpf.c

@@ -170,6 +170,12 @@ struct seccomp_data {
 # endif
 #endif
 
+#ifndef __NR_uprobe
+# if defined(__x86_64__)
+#  define __NR_uprobe 336
+# endif
+#endif
+
 #ifndef SECCOMP_SET_MODE_STRICT
 #define SECCOMP_SET_MODE_STRICT 0
 #endif