PCEP Protocol code restructured to move under PCEP Server code for more readability. Later Client code can be added under client folder.

Change-Id: Ie79599a170d94d8e0a00e0d034b083b3894199ee
diff --git a/providers/pcep/topology/BUCK b/providers/pcep/topology/BUCK
index 6d4b0bd..138be45 100644
--- a/providers/pcep/topology/BUCK
+++ b/providers/pcep/topology/BUCK
@@ -4,7 +4,7 @@
     '//protocols/ovsdb/api:onos-protocols-ovsdb-api',
     '//protocols/ovsdb/rfc:onos-protocols-ovsdb-rfc',
     '//apps/pcep-api:onos-apps-pcep-api',
-    '//protocols/pcep/api:onos-protocols-pcep-api',
+    '//protocols/pcep/server/api:onos-protocols-pcep-server-api',
     '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
     '//core/api:onos-api-tests',
     '//apps/optical-model:onos-apps-optical-model',