test: unit tests for Unicode functions

Provide unit tests for Unicode functions.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 64fb41e..7a614bc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -389,6 +389,7 @@
 F:	lib/charset.c
 F:	lib/efi*/
 F:	test/py/tests/test_efi*
+F:	test/unicode_ut.c
 F:	cmd/bootefi.c
 F:	tools/file2include.c