Update readme and changelog

CHANGELOG.md

@@ -32,9 +32,10 @@
 - [defaults](/plugins/processors/defaults/README.md) - Contributed by @jregistr
 - [execd](/plugins/processors/execd/README.md) - Contributed by @influxdata
 - [filepath](/plugins/processors/filepath/README.md) - Contributed by @kir4h
+- [ifname](/plugins/processors/ifname/README.md) - Contributed by @influxdata
+- [port_name](/plugins/processors/port_name/README.md) - Contributed by @influxdata
 - [reverse_dns](/plugins/processors/reverse_dns/README.md) - Contributed by @influxdata
 - [starlark](/plugins/processors/starlark/README.md) - Contributed by @influxdata
-- [ifname](/plugins/processors/ifname/README.md) - Contributed by @influxdata
 
 #### New Outputs
 

README.md

@@ -369,10 +369,12 @@ For documentation on the latest development code see the [documentation index][d
 * [defaults](/plugins/processors/defaults)
 * [enum](/plugins/processors/enum)
 * [execd](/plugins/processors/execd)
+* [ifname](/plugins/processors/ifname)
 * [filepath](/plugins/processors/filepath)
 * [override](/plugins/processors/override)
 * [parser](/plugins/processors/parser)
 * [pivot](/plugins/processors/pivot)
+* [port_name](/plugins/processors/port_name)
 * [printer](/plugins/processors/printer)
 * [regex](/plugins/processors/regex)
 * [rename](/plugins/processors/rename)