Rename ssl_internal.h to ssl_misc.h

Signed-off-by: Chris Jones <christopher.jones@arm.com>
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index bd28277..cff642b 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -1,6 +1,6 @@
 /* BEGIN_HEADER */
 #include <mbedtls/ssl.h>
-#include <ssl_internal.h>
+#include <ssl_misc.h>
 #include <mbedtls/ctr_drbg.h>
 #include <mbedtls/entropy.h>
 #include <mbedtls/certs.h>