seccomp: fine tuning whitelist by adding times()

This was causing Qemu process to hang when using -sandbox on as
discribed on RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1004175

Signed-off-by: Eduardo Otubo <otubo@linux.vnet.ibm.com>
Tested-by: Paul Moore <pmoore@redhat.com>
Acked-by: Paul Moore <pmoore@redhat.com>

qemu-seccomp.c

@@ -90,6 +90,7 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
     { SCMP_SYS(getuid), 245 },
     { SCMP_SYS(geteuid), 245 },
     { SCMP_SYS(timer_create), 245 },
+    { SCMP_SYS(times), 245 },
     { SCMP_SYS(exit), 245 },
     { SCMP_SYS(clock_gettime), 245 },
     { SCMP_SYS(time), 245 },