global: Migrate CONFIG_ENV_SETTINGS_V2 to CFG

Perform a simple rename of CONFIG_ENV_SETTINGS_V2 to CFG_ENV_SETTINGS_V2

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/etamin.h b/include/configs/etamin.h
index c68d0df..57f619f 100644
--- a/include/configs/etamin.h
+++ b/include/configs/etamin.h
@@ -135,7 +135,7 @@
 	"optargs=\0" \
 	"preboot=draco_led 0\0" \
 	CFG_ENV_SETTINGS_BUTTONS_AND_LEDS \
-	CONFIG_ENV_SETTINGS_V2 \
+	CFG_ENV_SETTINGS_V2 \
 	CFG_ENV_SETTINGS_NAND_V2
 
 #endif	/* ! __CONFIG_ETAMIN_H */