global: Migrate CONFIG_ENV_SETTINGS_NAND_V2 to CFG

Perform a simple rename of CONFIG_ENV_SETTINGS_NAND_V2 to CFG_ENV_SETTINGS_NAND_V2

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/rastaban.h b/include/configs/rastaban.h
index 2e002fa..f3435b2 100644
--- a/include/configs/rastaban.h
+++ b/include/configs/rastaban.h
@@ -46,6 +46,6 @@
 	"preboot=draco_led 0\0" \
 	CFG_ENV_SETTINGS_BUTTONS_AND_LEDS \
 	CONFIG_ENV_SETTINGS_V2 \
-	CONFIG_ENV_SETTINGS_NAND_V2
+	CFG_ENV_SETTINGS_NAND_V2
 
 #endif	/* ! __CONFIG_RASTABAN_H */