chromeos-installer: add altair-firmware dependency when USE=internal

This CL is intended only for the 'stabilize-springlte-5116.46.B' branch.

BUG=chrome-os-partner:23225
TEST=`USE=internal FEATURES=test emerge-{x86,amd64,arm}-generic chromeos-installer`
TEST=`USE=internal equery-{x86,amd64,arm}-generic g chromeos-installer-9999` includes chromeos-base/altair-firmware

Change-Id: I34f1e3c190bbeb27472bc68bd9ff7dba41d94901
Reviewed-on: https://chromium-review.googlesource.com/183936
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
1 file changed