docker-ce: use new extra_command function definition

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

utils/docker-ce/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=docker-ce
 PKG_VERSION:=19.03.13
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=components/cli/LICENSE components/engine/LICENSE
 

utils/docker-ce/files/dockerd.init

@@ -3,10 +3,8 @@
 USE_PROCD=1
 START=25
 
-EXTRA_COMMANDS="uciadd ucidel"
-EXTRA_HELP="\
-	uciadd  Add default bridge configuration to network and firewall uci config
-	ucidel  Delete default bridge configuration from network and firewall uci config"
+extra_command "uciadd" "Add default bridge configuration to network and firewall uci config"
+extra_command "ucidel" "Delete default bridge configuration from network and firewall uci config"
 
 DOCKERD_CONF="/tmp/dockerd/daemon.json"