bundle_firmware: update documenting comment

We also allow "remove" now.

BUG=none
BRANCH=tot
TEST=none

Change-Id: I2ce8f8e6a121026f812ee76206c888ac2511580d
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/321940
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed