Add include so psasim files can find new macro

Signed-off-by: Felix Conway <felix.conway@arm.com>
diff --git a/tests/psa-client-server/psasim/src/aut_psa_aead_encrypt_decrypt.c b/tests/psa-client-server/psasim/src/aut_psa_aead_encrypt_decrypt.c
index 313397b..a8b57c2 100644
--- a/tests/psa-client-server/psasim/src/aut_psa_aead_encrypt_decrypt.c
+++ b/tests/psa-client-server/psasim/src/aut_psa_aead_encrypt_decrypt.c
@@ -4,6 +4,7 @@
  */
 
 #include "psa/crypto.h"
+#include "../tf-psa-crypto/core/common.h"
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tests/psa-client-server/psasim/src/aut_psa_cipher_encrypt_decrypt.c b/tests/psa-client-server/psasim/src/aut_psa_cipher_encrypt_decrypt.c
index 30b6982..25c0b8a 100644
--- a/tests/psa-client-server/psasim/src/aut_psa_cipher_encrypt_decrypt.c
+++ b/tests/psa-client-server/psasim/src/aut_psa_cipher_encrypt_decrypt.c
@@ -4,6 +4,7 @@
  */
 
 #include "psa/crypto.h"
+#include "../tf-psa-crypto/core/common.h"
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>