Update for kernel headers v4.7.2.

The new uapi kernel headers added a new SEGV reason code, so
add it to the tombstone code.

Update sync.c to include the needed data structures itself. Someone
else will be fixing this to work on old versus new kernels.

Change-Id: Icb27713ea38a20003c7671a9bca262eebd96099b
2 files changed