of: overlay: rename overlay source files from .dts to .dtso

In drivers/of/unittest-data/:
   - Rename .dts overlay source files to use .dtso suffix.

Modify driver/of/unitest.c to use .dtbo.o based symbols instead of .dtb.o

Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Tested-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20221024173434.32518-4-afd@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/of/unittest-data/testcases.dtso b/drivers/of/unittest-data/testcases.dtso
new file mode 100644
index 000000000000..61cdd3d5fccb
--- /dev/null
+++ b/drivers/of/unittest-data/testcases.dtso
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/plugin/;
+
+#include "testcases_common.dtsi"
+
+/ {
+	/*
+	 * testcase data that intentionally results in an error is located here
+	 * instead of in testcases_common.dtsi so that the static overlay apply
+	 * tests will not include the error.
+	 */
+	testcase-data {
+		testcase-device2 {
+			compatible = "testcase-device";
+			interrupt-parent = <&test_intc2>;
+			interrupts = <1>; /* invalid specifier - too short */
+		};
+	};
+
+};