BUG_ON: include file/func/line info in error

Makes tracking the source of a BUG_ON easier imo.

BUG=None
TEST=manually trigger a BUG_ON and see the new output

Change-Id: I7ea3e2ce84c4f2b672bcd73d8c37a63d3bf9af8e
Reviewed-on: https://gerrit.chromium.org/gerrit/15578
Reviewed-by: Elly Jones <ellyjones@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
1 file changed