[dhcp6] add dhcp6 server support to NCP (#3128)

src/ncp/ncp_base_mtd.cpp

@@ -43,6 +43,9 @@
 #if OPENTHREAD_ENABLE_CHILD_SUPERVISION
 #include <openthread/child_supervision.h>
 #endif
+#if OPENTHREAD_ENABLE_DHCP6_SERVER
+#include <openthread/dhcp6_server.h>
+#endif
 #include <openthread/diag.h>
 #include <openthread/icmp6.h>
 #if OPENTHREAD_ENABLE_JAM_DETECTION
@@ -3017,6 +3020,10 @@ void NcpBase::ProcessThreadChangedFlags(void)
 #if OPENTHREAD_ENABLE_DHCP6_CLIENT
                 otDhcp6ClientUpdate(mInstance, mDhcpAddresses, OT_ARRAY_LENGTH(mDhcpAddresses), NULL);
 #endif
+
+#if OPENTHREAD_ENABLE_DHCP6_SERVER
+                otDhcp6ServerUpdate(mInstance);
+#endif
             }
 
             mThreadChangedFlags &= ~threadFlag;

tests/scripts/thread-cert/Makefile.am

@@ -279,9 +279,6 @@ XFAIL_NCP_TESTS                                                    = \
     test_coaps.py                                                    \
     test_diag.py                                                     \
     test_service.py                                                  \
-    Cert_5_2_05_AddressQuery.py                                      \
-    Cert_5_3_08_ChildAddressSet.py                                   \
-    Cert_5_3_09_AddressQuery.py                                      \
     Cert_5_3_10_AddressQuery.py                                      \
     Cert_8_1_01_Commissioning.py                                     \
     Cert_8_1_02_Commissioning.py                                     \