checkpatch: Suggest ovs_assert() to author.

Suggest the author to use the OVS wrapper of the assert function.

Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>

utilities/checkpatch.py

@@ -256,6 +256,7 @@ std_functions = [
         ('strerror', 'Use ovs_strerror() in place of strerror()'),
         ('sleep', 'Use xsleep() in place of sleep()'),
         ('abort', 'Use ovs_abort() in place of abort()'),
+        ('assert', 'Use ovs_assert() in place of assert()'),
         ('error', 'Use ovs_error() in place of error()'),
 ]
 checks += [