Merge branch 'nimble/fix_host_flow_ctrl_v4.0' into 'release/v4.0'

NimBLE: Fix host flow control in NimBLE porting layer and host (release/v4.0)

See merge request espressif/esp-idf!13577

components/bt/host/nimble/esp-hci/src/esp_nimble_hci.c

@@ -210,7 +210,9 @@ void ble_hci_trans_buf_free(uint8_t *buf)
  */
 int ble_hci_trans_set_acl_free_cb(os_mempool_put_fn *cb, void *arg)
 {
-    return BLE_ERR_UNSUPPORTED;
+    ble_hci_acl_pool.mpe_put_cb = cb;
+    ble_hci_acl_pool.mpe_put_arg = arg;
+    return 0;
 }
 
 int ble_hci_trans_reset(void)

components/bt/host/nimble/nimble

@@ -1 +1 @@
-Subproject commit 6cf591f60e7a476e4a154e3d3d25888afc89cda2
+Subproject commit be9b2bd9dacdbd631c034be056293ea70911e902

examples/bluetooth/nimble/bleprph/main/main.c

@@ -361,11 +361,11 @@ app_main(void)
     ble_hs_cfg.sm_sc = 1;
 #else
     ble_hs_cfg.sm_sc = 0;
+#endif
 #ifdef CONFIG_EXAMPLE_BONDING
     ble_hs_cfg.sm_our_key_dist = 1;
     ble_hs_cfg.sm_their_key_dist = 1;
 #endif
-#endif
 
 
     rc = gatt_svr_init();