Fix building of Rockbox Utility by restoring object list for libmkamsboot.a

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23505 a1c6a512-1295-4272-9138-f99709370657
diff --git a/rbutil/mkamsboot/Makefile b/rbutil/mkamsboot/Makefile
index 3b9acf4..98a027f 100644
--- a/rbutil/mkamsboot/Makefile
+++ b/rbutil/mkamsboot/Makefile
@@ -65,7 +65,7 @@
 
 libmkamsboot$(RBARCH).a: $(OUT) $(OUT)/libmkamsboot.o
 	@echo AR $@
-	$(SILENT)$(AR) ruc $(TARGET_DIR)libmkamsboot$(RBARCH).a $(OUT)/libmkamsboot.o
+	$(SILENT)$(AR) ruc $(TARGET_DIR)libmkamsboot$(RBARCH).a $(OUT)/libmkamsboot.o $(OUT)/md5.o $(OUT)/dualboot.o
 
 # some trickery to build ppc and i386 from a single call
 ifeq ($(RBARCH),)