[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/pinctrl/sprd/Makefile b/src/kernel/linux/v4.14/drivers/pinctrl/sprd/Makefile
new file mode 100644
index 0000000..b6caa8c
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/pinctrl/sprd/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_PINCTRL_SPRD)		+= pinctrl-sprd.o
+obj-$(CONFIG_PINCTRL_SPRD_SC9860)	+= pinctrl-sprd-sc9860.o