[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/of/unittest-data/Makefile b/src/kernel/linux/v4.19/drivers/of/unittest-data/Makefile
new file mode 100644
index 0000000..013d85e
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/of/unittest-data/Makefile
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-y += testcases.dtb.o
+
+obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
+			    overlay_0.dtb.o \
+			    overlay_1.dtb.o \
+			    overlay_2.dtb.o \
+			    overlay_3.dtb.o \
+			    overlay_4.dtb.o \
+			    overlay_5.dtb.o \
+			    overlay_6.dtb.o \
+			    overlay_7.dtb.o \
+			    overlay_8.dtb.o \
+			    overlay_9.dtb.o \
+			    overlay_10.dtb.o \
+			    overlay_11.dtb.o \
+			    overlay_12.dtb.o \
+			    overlay_13.dtb.o \
+			    overlay_15.dtb.o \
+			    overlay_bad_phandle.dtb.o \
+			    overlay_bad_symbol.dtb.o \
+			    overlay_base.dtb.o
+
+# enable creation of __symbols__ node
+DTC_FLAGS_overlay += -@
+DTC_FLAGS_overlay_bad_phandle += -@
+DTC_FLAGS_overlay_bad_symbol += -@
+DTC_FLAGS_overlay_base += -@
+DTC_FLAGS_testcases += -@
+
+# suppress warnings about intentional errors
+DTC_FLAGS_testcases += -Wno-interrupts_property