[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/mmc/Makefile b/src/kernel/linux/v4.19/drivers/mmc/Makefile
new file mode 100644
index 0000000..26ab7af
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/mmc/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the kernel mmc device drivers.
+#
+
+obj-$(CONFIG_MMC)		+= core/
+obj-$(subst m,y,$(CONFIG_MMC))	+= host/