devapp/owners: add cmd/go to the table

Using the names that Russ provided on golang-dev in
https://groups.google.com/forum/#!topic/golang-dev/2A_Ks3p4svE.

Change-Id: If099c3d1a3863957aef8b1b4720e715bbc66d7cc
Reviewed-on: https://go-review.googlesource.com/124955
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Author: mvdan

devapp/owners/table.go

@@ -145,6 +145,9 @@ var entries = map[string]*Entry{
 		Primary:   []Owner{r},
 		Secondary: []Owner{mvdan},
 	},
+	"go/src/cmd/go": {
+		Primary: []Owner{bcmills, rsc, iant},
+	},
 	"go/src/cmd/link": {
 		Primary:   []Owner{cherryyz, rsc, mdempsky, iant},
 		Secondary: []Owner{mwhudson},