net: fm: disables unused FM1-DTSEC1 MAC node in DTS

We don't disable unused FM1-DTSEC1 MAC node in FMAN v2 since it is
used by MDIO. For FMAN v3, MDIO uses dedicated controller, so we
can disable unused FM1-DTSEC1 MAC node to avoid being probed in
Linux.
Signed-off-by: NShaohui Xie <Shaohui.Xie@freescale.com>
[York Sun: revised commit message]
Reviewed-by: NYork Sun <yorksun@freescale.com>

drivers/net/fm/init.c

@@ -242,8 +242,10 @@ int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 	int off;
 	uint32_t ph;
 	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
+#ifndef CONFIG_SYS_FMAN_V3
 	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
 				CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;
+#endif
 
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 	if (off == -FDT_ERR_NOTFOUND)
@@ -295,8 +297,10 @@ int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 	/* board code might have caused offset to change */
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);
 
+#ifndef CONFIG_SYS_FMAN_V3
 	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
 	if (paddr != dtsec1_addr)
+#endif
 		fdt_status_disabled(blob, off); /* disable the MAC node */
 
 	/* disable the fsl,dpa-ethernet node that points to the MAC */