pcu: Update component diagram

The component architecture in PCU_Tests is quite complex to follow.
Update the diagram in order to make it easier for people to gasp the big
picture.

Change-Id: Ie592a9301b7a900334650741ed633cd70535a2b1
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 442d617..cab70e8 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -157,7 +157,7 @@
 	var StatsD_Checker_CT vc_STATSD;
 
 	/* Connection to the PCUIF component */
-	port RAW_PCU_MSG_PT PCUIF;
+	//port RAW_PCU_MSG_PT PCUIF;
 	/* VTY connection to the PCU */
 	port TELNETasp_PT PCUVTY;
 
@@ -282,7 +282,7 @@
 
 	/* Init PCU interface component */
 	vc_PCUIF := RAW_PCUIF_CT.create("PCUIF") alive;
-	connect(vc_PCUIF:MTC, self:PCUIF);
+	//connect(vc_PCUIF:MTC, self:PCUIF);
 	map(vc_PCUIF:PCU, system:PCU);
 
 	/* Create one BTS component (we may want more some day) */