bundle_firmware: add cbfs files to RO CBFS while processing blobs

In order for the RW CBFS regions to have the locale files when
'cbfstool copy' is invoked those files need to be added while
building the boot stub.

TEST=chromeos-bootimage on glados. Confirmed existence of locale files.

Change-Id: I30388a48ac974f389cbc03a9903c6d58d054a2ec
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/320310
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
1 file changed