Fix missing includes
Some files relied on psa_util.h to provide the includes they need.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/library/psa_crypto_ffdh.c b/library/psa_crypto_ffdh.c
index a65ef46..d8a208f 100644
--- a/library/psa_crypto_ffdh.c
+++ b/library/psa_crypto_ffdh.c
@@ -27,6 +27,7 @@
#include "psa_crypto_ffdh.h"
#include "psa_crypto_random_impl.h"
#include "mbedtls/platform.h"
+#include "mbedtls/error.h"
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_LEGACY) || \
defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_PUBLIC_KEY) || \