efi_selftest: LoadImage from file device path

Provide a unit test that calls LoadImage() with a file device path and
executes the application via StartImage().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 7f4eafb..c9720c9 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -51,6 +51,7 @@
 ifeq ($(CONFIG_SANDBOX)$(CONFIG_CPU_V7M)$(CONFIG_X86_64),)
 
 obj-y += \
+efi_selftest_loadimage.o \
 efi_selftest_startimage_exit.o \
 efi_selftest_startimage_return.o
 
@@ -68,6 +69,8 @@
 	$(obj)/../../tools/file2include $(obj)/efi_selftest_miniapp_return.efi > \
 	$(obj)/efi_miniapp_file_image_return.h
 
+$(obj)/efi_selftest_loadimage.o: $(obj)/efi_miniapp_file_image_exit.h
+
 $(obj)/efi_selftest_startimage_exit.o: $(obj)/efi_miniapp_file_image_exit.h
 
 $(obj)/efi_selftest_startimage_return.o: $(obj)/efi_miniapp_file_image_return.h