[fix] ensure HOST SESSION for [refactor] STSELib 1.2.0 API change

Signed-off-by: Benjamin Grolleau <benjamin.grolleau@outlook.com>

Author: Grolleau-Benjamin

api/stse_symmetric_keys_management.c

@@ -479,6 +479,8 @@ static stse_ReturnCode_t stse_KEK_wrap(
 
 /* Exported functions --------------------------------------------------------*/
 
+#if defined(STSE_CONF_USE_HOST_SESSION)
+
 stse_ReturnCode_t stse_host_secure_channel_keys_provisioning(
     stse_Handle_t *pSTSE,
     stse_aes_key_t *host_mac_key,
@@ -542,6 +544,8 @@ stse_ReturnCode_t stse_host_secure_channel_keys_provisioning(
 #endif /* STSE_CONF_STSAFE_A_SUPPORT */
 }
 
+#endif /* STSE_CONF_USE_HOST_SESSION */
+
 #ifdef STSE_CONF_USE_HOST_KEY_PROVISIONING_WRAPPED
 
 stse_ReturnCode_t stse_host_secure_channel_keys_provisioning_wrapped(