butterfly: Add 32bit_au USE flag

Add 32bit_au USE flag to fix AU errors when updating from 32/32 kernel /
user-space to 64/64.

BUG=chromium:328589
TEST=None

Original-Change-Id: Icf25af3588c0586cbb23b50baaa88068eee31228
Reviewed-on: https://chromium-review.googlesource.com/180346
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
(cherry picked from commit 78c40ab302755f05b0ca43288c998008ff437e35)

Change-Id: I0d537ac5b635ca7a84375afb32501242ebef20f2
Reviewed-on: https://chromium-review.googlesource.com/180731
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org>
Tested-by: Shawn Nematbakhsh <shawnn@chromium.org>
1 file changed