feat(bt): Add initial support of Bluetooth Classic on ESP32-S31

- feat(soc_caps): Enable BT Classic and BLE in esp32s31
- Add git submodule for ESP32-S31 bt controller lib files
- changed sdkconfig.defaults and README for Bluetooth Classic examples
- change(docs): Added vendor HCI documentations for ESP32-S31
- change(Bluedroid): Adapt to ESP32-S31 due to some API differences on
  Bluetooth controller from ESP32
- change(bt): Modify CMakeLists.txt to support the Bluetooth dual-mode
  architecture on ESP32-S31
- change(bt): Add ECC P-192 functions to tinycrypt

components/bt/host/bluedroid/bta/dm/bta_dm_act.c

@@ -4522,7 +4522,7 @@ static void bta_dm_set_eir (char *local_name)
     if (p_bta_dm_eir_cfg->bta_dm_eir_included_tx_power) {
         if (free_eir_length >= 3) {
             int min_power_level, max_power_level;
-#if (BT_CONTROLLER_INCLUDED == TRUE)
+#if (BR_EDR_GET_EIR_TX_PWR_LEVEL == TRUE)
             if (esp_bredr_tx_power_get((esp_power_level_t *)&min_power_level, (esp_power_level_t *)&max_power_level) == ESP_OK) {
 #else
             {

components/bt/host/bluedroid/bta/hf_client/bta_hf_client_at.c

@@ -59,6 +59,10 @@ extern tBTA_HF_CLIENT_CB  bta_hf_client_cb;
 #define BTA_HF_CLIENT_INDICATOR_CALLSETUP   "callsetup"
 #define BTA_HF_CLIENT_INDICATOR_CALLHELD    "callheld"
 
+#if defined(MIN)
+#undef MIN
+#endif
+
 #define MIN(a, b) \
     ({ __typeof__(a) _a = (a); __typeof__(b) _b = (b); (_a < _b) ? _a : _b; })
 

components/bt/host/bluedroid/btc/profile/std/hf_ag/btc_hf_ag.c

@@ -372,7 +372,7 @@ bt_status_t btc_hf_init(void)
     clear_phone_state();
 
 // set audio path
-#if (BT_CONTROLLER_INCLUDED == TRUE)
+#if (BR_EDR_SET_CTRL_SCO_DATAPATH == TRUE)
 #if BTM_SCO_HCI_INCLUDED
     uint8_t data_path = ESP_SCO_DATA_PATH_HCI;
 #else

components/bt/host/bluedroid/btc/profile/std/hf_client/btc_hf_client.c

@@ -201,7 +201,7 @@ bt_status_t btc_hf_client_init(void)
 
     clear_state();
 
-#if (BT_CONTROLLER_INCLUDED == TRUE)
+#if (BR_EDR_SET_CTRL_SCO_DATAPATH == TRUE)
 #if BTM_SCO_HCI_INCLUDED
     uint8_t data_path = ESP_SCO_DATA_PATH_HCI;
 #else

components/bt/host/bluedroid/common/include/common/bt_target.h

@@ -1415,6 +1415,19 @@
 #define BTM_BLE_CONFORMANCE_TESTING           FALSE
 #endif
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
+#if (BT_CONTROLLER_INCLUDED == TRUE) && (CONFIG_IDF_TARGET_ESP32)
+#define BR_EDR_SET_CTRL_SCO_DATAPATH     (TRUE)
+#else
+#define BR_EDR_SET_CTRL_SCO_DATAPATH     (FALSE)
+#endif
+
+#if (BT_CONTROLLER_INCLUDED == TRUE) && (CONFIG_IDF_TARGET_ESP32)
+#define BR_EDR_GET_EIR_TX_PWR_LEVEL      (TRUE)
+#else
+#define BR_EDR_GET_EIR_TX_PWR_LEVEL      (FALSE)
+#endif
+#endif
 /******************************************************************************
 **
 ** CONTROLLER TO HOST FLOW CONTROL