fix(bt/bluedroid): fix loadprohibited error in spp vfs acceptor example

examples/bluetooth/bluedroid/classic_bt/bt_spp_vfs_acceptor/main/spp_task.c

@@ -112,7 +112,7 @@ void spp_task_task_shut_down(void)
 
 void spp_wr_task_start_up(spp_wr_task_cb_t p_cback, int fd)
 {
-    xTaskCreate(p_cback, "write_read", 2048, (void *)fd, 5, NULL);
+    xTaskCreate(p_cback, "write_read", 4096, (void *)fd, 5, NULL);
 }
 void spp_wr_task_shut_down(void)
 {

examples/bluetooth/bluedroid/classic_bt/bt_spp_vfs_initiator/main/spp_task.c

@@ -112,7 +112,7 @@ void spp_task_task_shut_down(void)
 
 void spp_wr_task_start_up(spp_wr_task_cb_t p_cback, int fd)
 {
-    xTaskCreate(p_cback, "write_read", 2048, (void *)fd, 5, NULL);
+    xTaskCreate(p_cback, "write_read", 4096, (void *)fd, 5, NULL);
 }
 void spp_wr_task_shut_down(void)
 {