mosys: Add lchown32 to seccomp

Noticed a crash because of use of lchown32.

BUG=b:186803271
TEST=no more lchown32 fails.

Change-Id: I1dc561fbc792762d11d737fb0c1c01b0066791ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/2901319
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Auto-Submit: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
1 file changed