This is Leap 42.3 kernel update, mainly for addressing a new security
issue (G4 or MDS)
(bsc#1111331, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091)

- Refresh sorted patches.
- Refresh patches.arch/cpu-speculation-add-mitigations-cmdline-option.patch.
- Refresh patches.arch/powerpc-numa-document-topology_updates_enabled-disab.patch.
- Refresh patches.arch/powerpc-numa-improve-control-of-topology-updates.patch.
- Refresh patches.arch/powerpc-speculation-support-mitigations-cmdline-option.patch.
- Refresh patches.arch/s390-speculation-support-mitigations-cmdline-option.patch.
- Refresh patches.arch/x86-speculation-support-mitigations-cmdline-option.patch.
- Refresh patches.drivers/ibmvnic-Report-actual-backing-device-speed-and-duple.patch.
- commit ff08056

- net/ibmvnic: Update carrier state after link state change
(bsc#1135100).
- commit 3320680

- net/ibmvnic: Update MAC address settings after adapter reset
(bsc#1134760).
- commit 4fae5ea

- USB: Consolidate LPM checks to avoid enabling LPM twice
(bsc#1129770).
- commit 7966463

- drm/ttm: Remove warning about inconsistent mapping information (bnc#1131488)
- commit 224072f

- lpfc: validate command in lpfc_sli4_scmd_to_wqidx_distr()
(bsc#1129138).
- commit 112540a

- USB: Add new USB LPM helpers (bsc#1129770).