arm: dts: apple: Add u-boot,dm-pre-reloc properties

These are necessary to make sure the power domains needed for the
serial console are availble in the pre-relocation phase.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/t8103-j293-u-boot.dtsi b/arch/arm/dts/t8103-j293-u-boot.dtsi
new file mode 100644
index 0000000..6c8dd5a
--- /dev/null
+++ b/arch/arm/dts/t8103-j293-u-boot.dtsi
@@ -0,0 +1 @@
+#include "t8103-u-boot.dtsi"