No need to recompile the dtc submodule here again and again, we can
use the pre-built binary from the distribution instead.
(And this will also help in case we finally get rid of the dtc submodule
in QEMU one day)
Message-Id: <20230124143824.844040-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>