global: Migrate CONFIG_FEC_ENET_DEV to CFG

Perform a simple rename of CONFIG_FEC_ENET_DEV to CFG_FEC_ENET_DEV

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/xpress.h b/include/configs/xpress.h
index 0d72008..13f0ee6 100644
--- a/include/configs/xpress.h
+++ b/include/configs/xpress.h
@@ -31,7 +31,7 @@
 #define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
 #define CONFIG_MXC_USB_FLAGS		0
 
-#define CONFIG_FEC_ENET_DEV		0
+#define CFG_FEC_ENET_DEV		0
 #define CONFIG_FEC_MXC_PHYADDR          0x0
 
 #define CFG_EXTRA_ENV_SETTINGS \