Ok, here is the solution what works for me, finally
yum install akmod-wl
yum install kernel-devel
kmod-wl has broken dependencies (always point to wrong kernel) and for some reason akmod-wl does not work with regular kernel, only with kernel-devel.
I was in love with old fedora, but the newest one disappoints me.. think I’ll switch to CentOS or Arch after some investigations.