fix "kdump: Invalid kdump config option auto_reset_crashkernel" error
    
    kdumpctl only accepts a specified set of options. Add
    auto_reset_crashkernel to this set.
    
    Fixes: 73ced7f ("introduce the auto_reset_crashkernel option to kdump.conf")
    Signed-off-by: Coiby Xu <coxu@redhat.com>
    Acked-by: Tao Liu <ltao@redhat.com>