esp_psram: remove g_spiram_ok

components/esp_system/include/esp_private/startup_internal.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #pragma once
 
@@ -25,7 +17,6 @@
 extern "C" {
 #endif
 
-extern bool g_spiram_ok; // [refactor-todo] better way to communicate this from port layer to common startup code
 
 // Port layer defines the entry point. It then transfer control to a `sys_startup_fn_t`, stored in this
 // array, one per core.