openvpn: Integrate OpenVPN plugin into bbfdm.core micro-service

net/openvpn/Makefile

@@ -55,6 +55,10 @@ define Package/openvpn/config/Default
 			OpenVPN TR181 datamodel support based on bbfdm
 endef
 
+ifeq ($(CONFIG_OPENVPN_TR181_DATAMODEL),y)
+include $(TOPDIR)/feeds/iopsys/bbfdm/bbfdm.mk
+endif
+
 Package/openvpn-openssl/config=$(call Package/openvpn/config/Default,openssl)
 Package/openvpn-mbedtls/config=$(call Package/openvpn/config/Default,mbedtls)
 Package/openvpn-wolfssl/config=$(call Package/openvpn/config/Default,wolfssl)
@@ -113,8 +117,7 @@ define Package/openvpn-$(BUILD_VARIANT)/install
 		$(1)/lib/upgrade/keep.d \
 		$(1)/usr/libexec \
 		$(1)/usr/libexec/rpcd \
-		$(1)/etc/hotplug.d/openvpn \
-		$(1)/usr/share/bbfdm/plugins
+		$(1)/etc/hotplug.d/openvpn
 
 	$(INSTALL_BIN) \
 		$(PKG_INSTALL_DIR)/usr/sbin/openvpn \
@@ -156,9 +159,7 @@ define Package/openvpn-$(BUILD_VARIANT)/install
 		$(1)/usr/libexec/rpcd/openvpn
 
 ifeq ($(CONFIG_OPENVPN_TR181_DATAMODEL),y)
-	$(INSTALL_BIN) \
-		files/bbfdm/OpenVPN_DM.json \
-		$(1)/usr/share/bbfdm/plugins/OpenVPN_DM.json
+	$(BBFDM_INSTALL_MS_PLUGIN) files/bbfdm/OpenVPN_DM.json $(1) core
 endif
 endef