tests: Add mbedtls_test_ prefix to platform_* functions

Add mbedtls_test_ prefix to platform_setup() and
platform_teardown() test helper functions.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index 9194ada..817353a 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -50,8 +50,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
-int platform_setup( void );
-void platform_teardown( void );
+int mbedtls_test_platform_setup( void );
+void mbedtls_test_platform_teardown( void );
 
 int unhexify( unsigned char *obuf, const char *ibuf );
 void hexify( unsigned char *obuf, const unsigned char *ibuf, int len );
diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index b5ca1f8..dc022ff 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -24,7 +24,7 @@
 static mbedtls_platform_context platform_ctx;
 #endif
 
-int platform_setup( void )
+int mbedtls_test_platform_setup( void )
 {
     int ret = 0;
 #if defined(MBEDTLS_PLATFORM_C)
@@ -33,7 +33,7 @@
     return( ret );
 }
 
-void platform_teardown( void )
+void mbedtls_test_platform_teardown( void )
 {
 #if defined(MBEDTLS_PLATFORM_C)
     mbedtls_platform_teardown( &platform_ctx );
diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index ff4cf20..af4b84e 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -261,7 +261,7 @@
  */
 int main( int argc, const char *argv[] )
 {
-    int ret = platform_setup();
+    int ret = mbedtls_test_platform_setup();
     if( ret != 0 )
     {
         mbedtls_fprintf( stderr,
@@ -271,6 +271,6 @@
     }
 
     ret = execute_tests( argc, argv );
-    platform_teardown();
+    mbedtls_test_platform_teardown();
     return( ret );
 }