[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/mips/ath25/Kconfig b/src/kernel/linux/v4.14/arch/mips/ath25/Kconfig
new file mode 100644
index 0000000..7070b4b
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/mips/ath25/Kconfig
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0
+config SOC_AR5312
+	bool "Atheros AR5312/AR2312+ SoC support"
+	depends on ATH25
+	default y
+
+config SOC_AR2315
+	bool "Atheros AR2315+ SoC support"
+	depends on ATH25
+	default y
+
+config PCI_AR2315
+	bool "Atheros AR2315 PCI controller support"
+	depends on SOC_AR2315
+	select HW_HAS_PCI
+	select PCI
+	default y