feat(ble/bluedroid): Support read periodic advertiser list size command

components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h

@@ -2593,6 +2593,17 @@ esp_err_t esp_ble_gap_periodic_adv_remove_dev_from_list(esp_ble_addr_type_t addr
 */
 esp_err_t esp_ble_gap_periodic_adv_clear_dev(void);
 
+/**
+ * @brief            Retrieve the capacity of the periodic advertiser list in the controller.
+ *
+ * @param[out]       size: Pointer to a variable where the capacity of the periodic advertiser list will be stored.
+ *
+ * @return
+ *                     - ESP_OK : Success
+ *                     - Others : Failure
+ */
+esp_err_t esp_ble_gap_get_periodic_list_size(uint8_t *size);
+
 /**
 * @brief           This function is used to set aux connection parameters
 *
@@ -2611,7 +2622,6 @@ esp_err_t esp_ble_gap_prefer_ext_connect_params_set(esp_bd_addr_t addr,
                                                     const esp_ble_gap_conn_params_t *phy_1m_conn_params,
                                                     const esp_ble_gap_conn_params_t *phy_2m_conn_params,
                                                     const esp_ble_gap_conn_params_t *phy_coded_conn_params);
-
 #endif //#if (BLE_50_FEATURE_SUPPORT == TRUE)
 
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)