feature: add internal interfaces to manage all dispatch models of command lists

- add new enum type for command list flush from immediate
- add new argument for flushing immediate command list - regular command list
- add capability to provide additional stream for epilogue commands
- add pointer to provide external csr mutex to lock both execution and flush

Related-To: NEO-10356

Signed-off-by: Zbigniew Zdanowicz <zbigniew.zdanowicz@intel.com>

shared/source/helpers/append_operations.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2025 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+
+namespace NEO {
+
+enum AppendOperations {
+    none = 0,
+    kernel = 1u,
+    nonKernel = 2u,
+    cmdList = 3u
+};
+
+} // namespace NEO