Correction of includes for non-system header files

Corrects includes for programmer-defined header files (using "" instead of <>).

Change-Id: I84f681c46c2d2e9bbbac77155cb7ae3a4cb793ce
Signed-off-by: Robert Rostohar <Robert.Rostohar@arm.com>
diff --git a/app/tfm_integ_test.h b/app/tfm_integ_test.h
index 1c867a6..778f2ae 100644
--- a/app/tfm_integ_test.h
+++ b/app/tfm_integ_test.h
@@ -6,7 +6,7 @@
  */
 
 #include <stdio.h>
-#include <cmsis_compiler.h>
+#include "cmsis_compiler.h"
 
 #ifndef __TFM_INTEG_TEST_H__
 #define __TFM_INTEG_TEST_H__
diff --git a/interface/include/tfm_ns_svc.h b/interface/include/tfm_ns_svc.h
index 366a70a..def0c2f 100644
--- a/interface/include/tfm_ns_svc.h
+++ b/interface/include/tfm_ns_svc.h
@@ -6,7 +6,7 @@
  */
 
 #include <stdio.h>
-#include <cmsis_compiler.h>
+#include "cmsis_compiler.h"
 
 #ifndef __TFM_NS_SVC_H__
 #define __TFM_NS_SVC_H__
diff --git a/test/suites/core/non_secure/core_test_api.h b/test/suites/core/non_secure/core_test_api.h
index 864cadc..0f83311 100644
--- a/test/suites/core/non_secure/core_test_api.h
+++ b/test/suites/core/non_secure/core_test_api.h
@@ -9,7 +9,7 @@
 #define __CORE_TEST_API_H__
 
 #include <stdio.h>
-#include <cmsis_compiler.h>
+#include "cmsis_compiler.h"
 
 #ifdef __cplusplus
 extern "C" {