uboot-imx

net/fm: Fix error when FMAN MAC has no PHY

U-boot assumes that all FMAN ports have a PHY. Some SoCs (like T1040)
have fixed links. This means that the ports are connected MAC to MAc
and there is no Ethernet PHY attatched. This patch initializes a
FMAN MAC even if it doesn't have a PHY attached.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>