go generate updates following v.io/c/12224

MultiPart: 2/2
Change-Id: I68891c505367e6c0d36444be439a0c44622161b2
diff --git a/services/device/deviced/doc.go b/services/device/deviced/doc.go
index 673e5be..22142a1 100644
--- a/services/device/deviced/doc.go
+++ b/services/device/deviced/doc.go
@@ -104,7 +104,9 @@
  -v23.vtrace.sample-rate=0
    Rate (from 0.0 to 1.0) to sample vtrace traces.
  -vmodule=
-   comma-separated list of pattern=N settings for file-filtered logging
+   comma-separated list of pattern=N settings for filename-filtered logging
+ -vpath=
+   comma-separated list of pattern=N settings for file pathname-filtered logging
  -workspace=
    Path to the application's workspace directory.