component/bt: use osi_malloc instead of malloc in bluedroid

components/bt/host/bluedroid/api/esp_bt_device.c

@@ -38,7 +38,7 @@ esp_err_t esp_bt_dev_set_device_name(const char *name)
     msg.sig = BTC_SIG_API_CALL;
     msg.pid = BTC_PID_DEV;
     msg.act = BTC_DEV_ACT_SET_DEVICE_NAME;
-    arg.set_dev_name.device_name = (char *)malloc((BTC_MAX_LOC_BD_NAME_LEN + 1) * sizeof(char));
+    arg.set_dev_name.device_name = (char *)osi_malloc((BTC_MAX_LOC_BD_NAME_LEN + 1) * sizeof(char));
     if (!arg.set_dev_name.device_name) {
         return ESP_ERR_NO_MEM;
     }

components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c

@@ -1121,7 +1121,7 @@ void btc_spp_cb_handler(btc_msg_t *msg)
                 // if rx still has data, delay free slot
                 if (slot->close_alarm == NULL && slot->rx.queue && fixed_queue_length(slot->rx.queue) > 0) {
                     tBTA_JV *p_arg = NULL;
-                    if ((p_arg = malloc(sizeof(tBTA_JV))) == NULL) {
+                    if ((p_arg = osi_malloc(sizeof(tBTA_JV))) == NULL) {
                         param.close.status = ESP_SPP_NO_RESOURCE;
                         osi_mutex_unlock(&spp_local_param.spp_slot_mutex);
                         BTC_TRACE_ERROR("%s unable to malloc slot close_alarm arg!", __func__);