Merge branches 'users/bpetkov/SLE15-SP2/for-next', 'users/mkubecek/SLE15-SP2/fixes' and 'users/msuchanek/SLE15-SP2/for-next' into SLE15-SP2
Pull an x86 fix from Borislav Petkov.
Pull networking fixes from Michal Kubeček.
Pull powerpc fixes from Michal Suchánek.