In preparation for converting to DM_ETH and moving the FEC symbols to Kconfig we need to move the FEC definitions to mx6sabreauto.h and mx6sabresd.h to avoid build breakage during the conversion. Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Alifer Moraes <alifer.wsdm@gmail.com>