[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/phy/lantiq/Makefile b/src/kernel/linux/v4.14/drivers/phy/lantiq/Makefile
new file mode 100644
index 0000000..f73eb56
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/phy/lantiq/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_PHY_LANTIQ_RCU_USB2)	+= phy-lantiq-rcu-usb2.o