Replace references to tests/include

Update them instead to refer to framework/include, where the contents
of tests/include have been moved.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/scripts/common.make b/scripts/common.make
index 9908a3c..cafad26 100644
--- a/scripts/common.make
+++ b/scripts/common.make
@@ -22,7 +22,7 @@
 LDFLAGS ?=
 
 LOCAL_CFLAGS = $(WARNING_CFLAGS) -I$(MBEDTLS_TEST_PATH)/include -I$(MBEDTLS_PATH)/include -D_FILE_OFFSET_BITS=64
-LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) -I$(MBEDTLS_PATH)/include -I$(MBEDTLS_PATH)/tests/include -D_FILE_OFFSET_BITS=64
+LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) -I$(MBEDTLS_PATH)/include -I$(MBEDTLS_PATH)/framework/include -D_FILE_OFFSET_BITS=64
 LOCAL_LDFLAGS = ${MBEDTLS_TEST_OBJS} 		\
 		-L$(MBEDTLS_PATH)/library			\
 		-lmbedtls$(SHARED_SUFFIX)	\