Regular Leap 42.3 kernel update

- Refresh
patches.suse/22-x86-cpu-amd-add-speculative-control-support-for-amd.patch.
- Refresh
patches.suse/23-x86-spec-check-cpuid-direclty-post-microcode-reload-to-support-ibpb-feature.patch.
- Refresh
patches.suse/32-x86-nospec-fix-ordering-of-earlyparam-vs-cap-clearing.patch.
- commit e2d9c10

- s390/mm: fix race on mm->context.flush_mm (bnc#1088324,
LTC#166470).
- s390/mm: fix local TLB flushing vs. detach of an mm address
space (bnc#1088324, LTC#166470).
- s390/mm: no local TLB flush for clearing-by-ASCE IDTE
(bnc#1088324, LTC#166470).
- commit da0e93f

- hv_balloon: fix bugs in num_pages_onlined accounting
(fate#323887).
- hv_balloon: simplify hv_online_page()/hv_page_online_one()
(fate#323887).
- hv_balloon: fix printk loglevel (fate#323887).
- commit ba9b08e

- add mainline tag to various patches to be able to get further work done
- commit 6ca40a7

- scripts/git_sort/git_sort.py: Handle unsupported cache db format
The upcoming python3 port will introduce two changes to the database format
used for the cache: the default database format of python's "shelve" module
changed from bdb to gnu dbm and the default protocol version of the