Allow KEY_TYPE_PASSWORD/KEY_TYPE_PASSWORD_HASH to be imported

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index b0116dd..4a0bd83 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -445,6 +445,8 @@
         case PSA_KEY_TYPE_RAW_DATA:
         case PSA_KEY_TYPE_HMAC:
         case PSA_KEY_TYPE_DERIVE:
+        case PSA_KEY_TYPE_PASSWORD:
+        case PSA_KEY_TYPE_PASSWORD_HASH:
             break;
 #if defined(PSA_WANT_KEY_TYPE_AES)
         case PSA_KEY_TYPE_AES: