ibm_newemac: Fix typo in flow control config option

The recent build fix for ibm_newemac has a typo in the config
option #ifdef used for disabling flow control.  This corrects
it to the proper Kconfig option name.
Reported-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJosh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/ibm_newemac/core.c

@@ -2605,7 +2605,7 @@ static int __devinit emac_init_config(struct emac_instance *dev)
 		    of_device_is_compatible(np, "ibm,emac-440gr"))
 			dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
 		if (of_device_is_compatible(np, "ibm,emac-405ez")) {
-#ifdef CONFIG_IBM_NEW_EMAC_NO_FLOW_CONTROL
+#ifdef CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL
 			dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x;
 #else
 			printk(KERN_ERR "%s: Flow control not disabled!\n",