unicode: s/FEATURE_ASSUME_UNICODE/UNICODE_SUPPORT, add UNICODE_USING_LOCALE

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/TODO_config_nommu b/TODO_config_nommu
index 2c8210c..911f02f 100644
--- a/TODO_config_nommu
+++ b/TODO_config_nommu
@@ -24,7 +24,7 @@
 CONFIG_FEATURE_COMPRESS_USAGE=y
 CONFIG_FEATURE_INSTALLER=y
 # CONFIG_LOCALE_SUPPORT is not set
-# CONFIG_FEATURE_ASSUME_UNICODE is not set
+# CONFIG_UNICODE_SUPPORT is not set
 # CONFIG_FEATURE_CHECK_UNICODE_IN_ENV is not set
 CONFIG_LONG_OPTS=y
 CONFIG_FEATURE_DEVPTS=y