[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/iio/chemical/Makefile b/src/kernel/linux/v4.14/drivers/iio/chemical/Makefile
new file mode 100644
index 0000000..a629b29
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/iio/chemical/Makefile
@@ -0,0 +1,9 @@
+#
+# Makefile for IIO chemical sensors
+#
+
+# When adding new entries keep the list in alphabetical order
+obj-$(CONFIG_ATLAS_PH_SENSOR)	+= atlas-ph-sensor.o
+obj-$(CONFIG_CCS811)		+= ccs811.o
+obj-$(CONFIG_IAQCORE)		+= ams-iaq-core.o
+obj-$(CONFIG_VZ89X)		+= vz89x.o