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/bgpcep/BUCK b/providers/bgpcep/BUCK
index e11fda8..1f0b14d 100644
--- a/providers/bgpcep/BUCK
+++ b/providers/bgpcep/BUCK
@@ -4,10 +4,10 @@
   '//protocols/bgp/ctl:onos-protocols-bgp-ctl',
   '//protocols/pcep/pcepio:onos-protocols-pcep-pcepio',
   '//apps/pcep-api:onos-apps-pcep-api',
-  '//protocols/pcep/api:onos-protocols-pcep-api',
+  '//protocols/pcep/server/api:onos-protocols-pcep-server-api',
   '//providers/bgp/topology:onos-providers-bgp-topology',
   '//providers/bgp/cfg:onos-providers-bgp-cfg',
-  '//protocols/pcep/ctl:onos-protocols-pcep-ctl',
+  '//protocols/pcep/server/ctl:onos-protocols-pcep-server-ctl',
   '//providers/pcep/topology:onos-providers-pcep-topology',
   '//providers/pcep/tunnel:onos-providers-pcep-tunnel',
   '//providers/bgpcep/flow:onos-providers-bgpcep-flow',