e1000: Disable aggressive clocking on esb2 with SERDES port

Disable aggressive clocking on esb2 with SERDES port as it causes
hardware problems.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
1 file changed