net/fm: update ft_fixup_port to differentiate dual-role mac

we need to differentiate dual-role MACs into two types: MACs with
10GEC enumeration consistent with DTSEC enumeration(defined by
CONFIG_FSL_FM_10GEC_REGULAR_NOTATION) and other MACs without
CONFIG_FSL_FM_10GEC_REGULAR_NOTATION defined.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>