zerotier: fix multiple instance handling and port setting

Signed-off-by: Moritz Warning <moritzwarning@web.de>

net/zerotier/Makefile

@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=zerotier
 PKG_VERSION:=1.2.12
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_LICENSE:=GPL-3.0
 
@@ -66,10 +66,7 @@ ifeq ($(CONFIG_ZEROTIER_ENABLE_SELFTEST),y)
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/zerotier-selftest $(1)/usr/bin/
 endif
 
-	$(INSTALL_DIR) $(1)/etc/init.d/
-	$(INSTALL_BIN) files/zerotier.init $(1)/etc/init.d/zerotier
-	$(INSTALL_DIR) $(1)/etc/config
-	$(INSTALL_CONF) files/zerotier.config $(1)/etc/config/zerotier
+	$(CP) ./files/* $(1)/
 endef
 
 $(eval $(call BuildPackage,zerotier))