rename cgpt files with cgptlib prefix (to avoid conflicts to cgpt utility)

src/platform/vboot_reference/cgptlib/tests/Makefile

Index: src/platform/vboot_reference/cgptlib/tests/Makefile
diff --git a/src/platform/vboot_reference/cgptlib/tests/Makefile b/src/platform/vboot_reference/cgptlib/tests/Makefile
index 60871fa882b8451f22f85a2017eceed5464c15c4..57b7bec3639a82029081fb69c9346225acdc25fa 100644
--- a/src/platform/vboot_reference/cgptlib/tests/Makefile
+++ b/src/platform/vboot_reference/cgptlib/tests/Makefile
@@ -2,11 +2,10 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-CC ?= cc
-CFLAGS ?= -Wall -DNDEBUG -Werror -ansi
+CFLAGS += -Wall -DNDEBUG -Werror -ansi
 LIBS = ../cgpt.a ../../common/libcommon.a
-OBJS = cgpt_test.o
-OUT = cgpt_test
+OBJS = cgptlib_test.o quick_sort_test.o
+OUT = cgptlib_test
 
 all: $(OUT)