[pfcwd]: Switch to Config DB (sonic-net#374)

Signed-off-by: marian-pritsak <[email protected]>

Author: marian-pritsak

orchagent/orchdaemon.cpp

@@ -136,7 +136,7 @@ bool OrchDaemon::init()
         static const vector<sai_queue_attr_t> queueAttrIds;
 
         m_orchList.push_back(new PfcWdSwOrch<PfcWdZeroBufferHandler, PfcWdLossyHandler>(
-                    m_applDb,
+                    m_configDb,
                     pfc_wd_tables,
                     portStatIds,
                     queueStatIds,
@@ -176,7 +176,7 @@ bool OrchDaemon::init()
         };
 
         m_orchList.push_back(new PfcWdSwOrch<PfcWdActionHandler, PfcWdActionHandler>(
-                    m_applDb,
+                    m_configDb,
                     pfc_wd_tables,
                     portStatIds,
                     queueStatIds,