Add openwrt makefile

With this in source openwrt/ directory you can now build this repo
directly from the current local git HEAD, without updating any external feed.

Example feeds.conf entry:
---
src-link uspd /home/daniel/prpl/uspd
---

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>

openwrt/uspd/Makefile

+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=uspd
+PKG_VERSION:=1.0.5
+PKG_RELEASE:=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://dev.iopsys.eu/iopsys/uspd.git
+PKG_SOURCE_VERSION=x
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.gz
+
+PKG_MAINTAINER:=IOPSYS Dev <dev@iopsys.eu>
+
+CONFIG_SRC_TREE_OVERRIDE:=y
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/uspd
+  SECTION:=iopsys
+  CATEGORY:=IOPSYS
+  TITLE:=USP ubus backend
+  DEPENDS:=+libubox +ubus +libbbfdm
+endef
+
+define Package/uspd/description
+ Ubus based backend for TR-369/USP which can be used by other USP agents
+ running on top of it.
+endef
+
+TARGET_CFLAGS += \
+	-I$(STAGING_DIR)/usr/include \
+	-D_GNU_SOURCE
+
+define Package/uspd/install
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_BIN) ./files/uspd.init $(1)/etc/init.d/uspd
+	$(INSTALL_CONF) ./files/uspd.config $(1)/etc/config/uspd
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/uspd $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,uspd))

openwrt/uspd/files/uspd.config

+config uspd 'usp'
+	option granularitylevel  '0'

openwrt/uspd/files/uspd.init

+#!/bin/sh /etc/rc.common
+
+START=94
+STOP=10
+
+USE_PROCD=1
+PROG=/usr/sbin/uspd
+
+start_service() {
+	procd_open_instance
+	procd_set_param command ${PROG}
+	procd_set_param respawn
+	procd_close_instance
+}
+
+reload_service() {
+	stop
+	start
+}
+
+service_triggers()
+{
+	procd_add_reload_trigger "cwmp"
+	procd_add_config_trigger "config.change" "uspd" /etc/init.d/uspd restart
+}

openwrt/uspd/git-src

+../../.git/
\ No newline at end of file