Fix setup.cfg using incorrect entry point

Change-Id: Ie18ef469aaaf7dc8c41cf858055519ab3f09e24c
diff --git a/setup.cfg b/setup.cfg
index 09b71eb..d8c9505 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,7 +22,7 @@
 
 [files]
 packages =
-    patrole
+    patrole_tempest_plugin
 
 [build_sphinx]
 source-dir = doc/source
@@ -53,4 +53,4 @@
 
 [entry_points]
 tempest.test_plugins =
-    patrole-tempest-plugin = patrole_tempest_plugin.plugin:PatroleTempestPlugin
+    patrole_tempest_plugin = patrole_tempest_plugin.plugin:PatroleTempestPlugin