[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/Documentation/admin-guide/pm/system-wide.rst b/src/kernel/linux/v4.14/Documentation/admin-guide/pm/system-wide.rst
new file mode 100644
index 0000000..0c81e4c
--- /dev/null
+++ b/src/kernel/linux/v4.14/Documentation/admin-guide/pm/system-wide.rst
@@ -0,0 +1,8 @@
+============================
+System-Wide Power Management
+============================
+
+.. toctree::
+   :maxdepth: 2
+
+   sleep-states