tree be53712a87e294d4879d10277066b36e07ae1345
parent bcda7cee85ac947bf908e8e74453bb1f7ca3c255
author Mike Frysinger <vapier@chromium.org> 1566444291 -0400
committer chrome-bot <chrome-bot@chromium.org> 1567757721 -0700

ext2_sb_util.sh: split ext2 superblock utils out of common.sh

These complicated funcs are only used by three scripts now.  Pull them
out of common.sh and into a new build_library/ fragment for them to load.

BUG=None
TEST=CQ passes

Change-Id: Iab2ea018888538ec5a51738e7524eedd3839cb14
Reviewed-on: https://chromium-review.googlesource.com/1769241
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>