aes: Fixed tag sometime being wrong for HW GCM

The GCM hardware accelerated algorithm for S2 would sometimes output
the wrong tag.

Added additional tests for AES and GCM

Re-enable HW GCM as default option

components/mbedtls/port/include/esp32s2/gcm.h

@@ -36,6 +36,7 @@ extern "C" {
 
 typedef enum {
     ESP_AES_GCM_STATE_INIT,
+    ESP_AES_GCM_STATE_START,
     ESP_AES_GCM_STATE_UPDATE,
     ESP_AES_GCM_STATE_FINISH
 } esp_aes_gcm_state;