[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/net/caif/Makefile b/src/kernel/linux/v4.14/drivers/net/caif/Makefile
new file mode 100644
index 0000000..54ae116
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/net/caif/Makefile
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+ccflags-$(CONFIG_CAIF_DEBUG) := -DDEBUG
+
+# Serial interface
+obj-$(CONFIG_CAIF_TTY) += caif_serial.o
+
+# SPI slave physical interfaces module
+cfspi_slave-objs := caif_spi.o caif_spi_slave.o
+obj-$(CONFIG_CAIF_SPI_SLAVE) += cfspi_slave.o
+
+# HSI interface
+obj-$(CONFIG_CAIF_HSI) += caif_hsi.o
+
+# Virtio interface
+obj-$(CONFIG_CAIF_VIRTIO) += caif_virtio.o