Revert "Update roundtrip.rst"

This reverts commit 19477d4a15c785682e8f66f5c770c191297d24cf.

docs/source/roundtrip.rst

diff --git a/docs/source/roundtrip.rst b/docs/source/roundtrip.rst
index b6b44c7..cd6f729 100644
--- a/docs/source/roundtrip.rst
+++ b/docs/source/roundtrip.rst
@@ -97,6 +97,9 @@
 	# you can then run the simulations using
 	make verify-<testbench-name>
 	
+	# Test benches are:
+	# io_ports, la_test1, la_test2, wb_port, mprj_stimulus
+	
 	# for example
 	make verify-io_ports