Update includes for generated files

This commit replaces the include of "common.h" with "ssl_misc.h" for
generated files.

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/scripts/generate_ssl_debug_helpers.py b/scripts/generate_ssl_debug_helpers.py
index 600d160..df3d9b9 100755
--- a/scripts/generate_ssl_debug_helpers.py
+++ b/scripts/generate_ssl_debug_helpers.py
@@ -350,7 +350,7 @@
  *
  */
 
-#include "common.h"
+#include "ssl_misc.h"
 
 #if defined(MBEDTLS_DEBUG_C)