dtc: add submodule

Add dtc submodule as a fallback for old distros.
Picking version 1.3.0. as this is the most recently tagged stable version.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

1 files changed, 0 insertions, 0 deletions

diff --git a/dtc b/dtc
new file mode 160000
+Subproject bc895d6d09695d05ceb8b52486ffe861d6cfbdd