mbedtls: remove dependency on driver component

- keep `esp_pm` dependency conditional in mbedtls
- refactor `bt` cmakelist to keep dependencies as private

Related: IDF-1265

examples/bluetooth/esp_ble_mesh/ble_mesh_coex_test/components/case/wifi_connect.c

@@ -1,7 +1,7 @@
 /*
  * ESP BLE Mesh Example
  *
- * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -23,7 +23,6 @@
 
 #include "esp_log.h"
 #include "esp_netif.h"
-#include "driver/gpio.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "freertos/event_groups.h"

examples/bluetooth/esp_hid_device/main/CMakeLists.txt

@@ -4,4 +4,5 @@ set(include_dirs ".")
 
 idf_component_register(SRCS "${srcs}"
                        INCLUDE_DIRS "${include_dirs}"
-                       REQUIRES esp_hid)
+                       REQUIRES esp_hid
+                       PRIV_REQUIRES nvs_flash)

examples/bluetooth/esp_hid_host/main/CMakeLists.txt

@@ -4,4 +4,5 @@ set(include_dirs ".")
 
 idf_component_register(SRCS "${srcs}"
                        INCLUDE_DIRS "${include_dirs}"
-                       REQUIRES esp_hid)
+                       REQUIRES esp_hid
+                       PRIV_REQUIRES nvs_flash)