mosquitto: use mirrored files/ tree

Instead of manually copying files and renaming on install, use the nice
clean "files/<mirror>" structure and just $(CP) them into place.

Signed-off-by: Karl Palsson <karlp@etactica.com>

net/mosquitto/Makefile

@@ -160,10 +160,7 @@ define Package/mosquitto/install/default
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/mosquitto $(1)/usr/sbin/mosquitto
 	$(INSTALL_DIR) $(1)/etc/mosquitto
 	$(INSTALL_CONF) $(PKG_BUILD_DIR)/mosquitto.conf $(1)/etc/mosquitto/mosquitto.conf
-	$(INSTALL_DIR) $(1)/etc/init.d
-	$(INSTALL_BIN) ./files/mosquitto.init $(1)/etc/init.d/mosquitto
-	$(INSTALL_DIR) $(1)/usr/bin
-	$(INSTALL_BIN) ./files/mosquitto.uci.convert $(1)/usr/bin
+	$(CP) ./files/* $(1)/
 endef
 
 define Package/mosquitto-nossl/install