Kernel: Unify BIOS and ACPI components in the SysFS firmware directory

Both should reside in the SysFS firmware directory which is normally
located in /sys/firmware.
Also, apply some OOM-safety patterns when creating the BIOS and ACPI
directories.

Kernel/Firmware/SysFSFirmware.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+#include <Kernel/FileSystem/SysFS.h>
+
+namespace Kernel {
+
+class FirmwareSysFSDirectory : public SysFSDirectory {
+public:
+    static void initialize();
+
+    void create_components();
+
+private:
+    FirmwareSysFSDirectory();
+};
+
+}