[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/mtd/composite/Kconfig b/src/kernel/linux/v4.19/drivers/mtd/composite/Kconfig
new file mode 100644
index 0000000..0490fc0
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/mtd/composite/Kconfig
@@ -0,0 +1,12 @@
+menu "Composite MTD device drivers"
+	depends on MTD!=n
+
+config MTD_VIRT_CONCAT
+	tristate "Virtual concat MTD device"
+	help
+	  This driver allows creation of a virtual MTD concat device, which
+	  concatenates multiple underlying MTD devices to a single device.
+	  This is required by some SoC boards where multiple memory banks are
+	  used as one device with partitions spanning across device boundaries.
+
+endmenu