mptcp: fill in missing MODULE_DESCRIPTION()

W=1 builds warn on missing MODULE_DESCRIPTION, add them here in MPTCP.

Only two were missing: two modules with different KUnit tests for MPTCP.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/mptcp/crypto_test.c

@@ -70,3 +70,4 @@ static struct kunit_suite mptcp_crypto_suite = {
 kunit_test_suite(mptcp_crypto_suite);
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("KUnit tests for MPTCP Crypto");

net/mptcp/token_test.c

@@ -143,3 +143,4 @@ static struct kunit_suite mptcp_token_suite = {
 kunit_test_suite(mptcp_token_suite);
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("KUnit tests for MPTCP Token");