Update to 5.2-rc2
    
    - Eliminated 4 patches
      - patches.suse/dm-make-sure-to-obey-max_io_len_target_boundary.patch
      - patches.suse/kvm-make-kvm_vcpu_-un-map-dependency-on-CONFIG_HAS_I.patch
      - patches.suse/vfio_pci-Add-local-source-directory-as-include.patch
      - patches.suse/x86-kvm-pmu-Set-AMD-s-virt-PMU-version-to-1.patch
    - add s390x/zfcpdump build fix
      - patches.suse/kvm-memunmap-also-needs-HAS_IOMEM.patch