mosys: Add more syscalls to seccomp

Add dup, getpgrp, chown32, getegid32, renameat2 and fstatat64 to fix crashes
on veyron devices.

BUG=chromium:1203874, b:186803271
TEST=CQ

Change-Id: I0e58d78982486fdc2076546687d9404bf62a5668
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mosys/+/2862563
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
1 file changed