Flush console where necessary

Call console_flush() before execution either terminates or leaves an
exception level.

Fixes: ARM-software/tf-issues#123

Change-Id: I64eeb92effb039f76937ce89f877b68e355588e3
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c
index 85b3ea1..c74b72b 100644
--- a/bl31/bl31_main.c
+++ b/bl31/bl31_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #include <assert.h>
 #include <bl_common.h>
 #include <bl31.h>
+#include <console.h>
 #include <context_mgmt.h>
 #include <debug.h>
 #include <platform.h>
@@ -129,6 +130,8 @@
 	 */
 	bl31_prepare_next_image_entry();
 
+	console_flush();
+
 	/*
 	 * Perform any platform specific runtime setup prior to cold boot exit
 	 * from BL31