Leap 42.3 kernel update, mainly for the bluetooth security fix
(CVE-2017-1000251 bsc#1057389)

- NFS: flush data when locking a file to ensure cache coherence
for mmap (bsc#981309).
- commit 65980ce

- md/raid5: fix a race condition in stripe batch (linux-stable).
- commit 5bedfa6

- net/bluetooth: Validate output buffer length (CVE-2017-1000251,
bsc#1057389).
- commit 545c055

- ibmvnic: Clean up resources on probe failure (fate#323285,
bsc#1058116).
- commit 2cb2b1b

- mm/page_alloc.c: apply gfp_allowed_mask before the first
allocation attempt (bnc#971975 VM -- git fixes).
- commit 89e8220

- cpufreq: intel_pstate: Disable energy efficiency optimization
(bsc#1054654).
- commit 5d621ee

- drivers: base: cacheinfo: fix boot error message when acpi is
enabled (bsc#1057849).
- commit 7cd9f6f

- iwlwifi: mvm: don't send CTDP commands via debugfs if not
supported (bsc#1031717).
- commit 13cab0a