[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/mips/pnx833x/Makefile b/src/kernel/linux/v4.14/arch/mips/pnx833x/Makefile
new file mode 100644
index 0000000..02c4698
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/mips/pnx833x/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_SOC_PNX833X)	+= common/
+obj-$(CONFIG_NXP_STB220)	+= stb22x/
+obj-$(CONFIG_NXP_STB225)	+= stb22x/