Add Sierra MC8355 Gobi modem support.

BUG=chrome-os-partner:17480.
TEST=manual. Verify modem is visible in Chrome OS network manager.

Change-Id: I44ac38bb01b61560f3db189a36c65b29a5f26e12
Reviewed-on: https://gerrit.chromium.org/gerrit/42135
Reviewed-by: Ben Chan <benchan@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
1 file changed