[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/mediatek/rules.mk b/src/bsp/lk/platform/mediatek/rules.mk
new file mode 100644
index 0000000..29f47e2
--- /dev/null
+++ b/src/bsp/lk/platform/mediatek/rules.mk
@@ -0,0 +1,3 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+include $(LOCAL_DIR)/$(MTK_PLATFORM)/rules.mk