[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/block/partitions/sun.h b/src/kernel/linux/v4.14/block/partitions/sun.h
new file mode 100644
index 0000000..2424baa
--- /dev/null
+++ b/src/kernel/linux/v4.14/block/partitions/sun.h
@@ -0,0 +1,8 @@
+/*
+ *  fs/partitions/sun.h
+ */
+
+#define SUN_LABEL_MAGIC          0xDABE
+#define SUN_VTOC_SANITY          0x600DDEEE
+
+int sun_partition(struct parsed_partitions *state);