clk: socfpga: stratix10: fix divider entry for the emac clocks

commit 74684cce5ebd567b01e9bc0e9a1945c70a32f32f upstream.

The fixed dividers for the emac clocks should be 2 not 4.

Cc: stable@vger.kernel.org
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>