TT#47856 ec2-create-ce: register --installer-url as supported command line option

Fixes:

| unrecognized option '--installer-url'

Change-Id: Ib11ff1a3a2e6df7f57f160e8851f8caa5e03e500

ec2-create-ce

@@ -181,7 +181,7 @@ remove_ami() {
   fi
 }
 
-CMDLINE_OPTS=allocation-id:,ami-name:,base-ami:,copy-to-all-regions,elastic-ip:,help,instance-type:,keep-ami-snapshot,ngcp-release:,public,region:,remove-existing-ami,subnet:,skip-reboot
+CMDLINE_OPTS=allocation-id:,ami-name:,base-ami:,copy-to-all-regions,elastic-ip:,help,installer-url:,instance-type:,keep-ami-snapshot,ngcp-release:,public,region:,remove-existing-ami,subnet:,skip-reboot
 
 _opt_temp=$(getopt --name "$0" -o +bch --long $CMDLINE_OPTS -- "$@")
 if [ $? -ne 0 ]; then