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/npi_imx6ull.h b/include/configs/npi_imx6ull.h
index a12e34b..979512c 100644
--- a/include/configs/npi_imx6ull.h
+++ b/include/configs/npi_imx6ull.h
@@ -36,7 +36,7 @@
 #define CONFIG_FEC_MXC_PHYADDR		0x1
 #endif
 
-#define CONFIG_FEC_ENET_DEV		1
+#define CFG_FEC_ENET_DEV		1
 
 #define CFG_EXTRA_ENV_SETTINGS \
 	"console=ttymxc0,115200n8\0" \