[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/iio/frequency/Makefile b/src/kernel/linux/v4.14/drivers/iio/frequency/Makefile
new file mode 100644
index 0000000..2bca03f
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/iio/frequency/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile iio/frequency
+#
+
+# When adding new entries keep the list in alphabetical order
+obj-$(CONFIG_AD9523) += ad9523.o
+obj-$(CONFIG_ADF4350) += adf4350.o