commonlib: Add function to compute relative offsets from two region_devices.
Provide a helper function which returns the relative offset
between 2 region_devices that have a parent-child child relationship.
BUG=chrome-os-partner:48412
BUG=chromium:445938
BRANCH=None
TEST=Utilized and booted on glados.
Change-Id: Ie0041b33e73a6601748f1289e98b6f1f8756eb11
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12782
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2 files changed