test: provide tests for efi_image_region_add()

Provide unit tests for efi_image_region_add().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index db8cecd..b515bf3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -633,6 +633,7 @@
 F:	include/asm-generic/pe.h
 F:	lib/charset.c
 F:	lib/efi*/
+F:	test/lib/efi_*
 F:	test/py/tests/test_efi*
 F:	test/py/tests/test_efi*/
 F:	test/unicode_ut.c