Update includes for each library file

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/library/ssl_cache.c b/library/ssl_cache.c
index 772cb8f..28d0cfb 100644
--- a/library/ssl_cache.c
+++ b/library/ssl_cache.c
@@ -9,14 +9,13 @@
  * to store and retrieve the session information.
  */
 
-#include "common.h"
+#include "ssl_misc.h"
 
 #if defined(MBEDTLS_SSL_CACHE_C)
 
 #include "mbedtls/platform.h"
 
 #include "mbedtls/ssl_cache.h"
-#include "ssl_misc.h"
 #include "mbedtls/error.h"
 
 #include <string.h>