tests/vm/openbsd: Use the system dtc package

We can use the pre-packaged libfdt from the dtc package to avoid
that we have to compile this code each time again and again.

While we're at it, the "--python=python3" does not seemt to be
necessary anymore, so we can drop it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231016154049.37147-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231029145033.592566-2-alex.bennee@linaro.org>

tests/vm/openbsd

@@ -27,6 +27,7 @@ class OpenBSDVM(basevm.BaseVM):
     size = "20G"
     pkgs = [
         # tools
+        "dtc",
         "git",
         "pkgconf",
         "bzip2", "xz",
@@ -67,8 +68,9 @@ class OpenBSDVM(basevm.BaseVM):
         cd $(mktemp -d /home/qemu/qemu-test.XXXXXX);
         mkdir src build; cd src;
         tar -xf /dev/rsd1c;
-        cd ../build
-        ../src/configure --cc=cc --python=python3 {configure_opts};
+        cd ../build;
+        ../src/configure --cc=cc  --extra-cflags=-I/usr/local/include \
+                         --extra-ldflags=-L/usr/local/lib {configure_opts};
         gmake --output-sync -j{jobs} {target} {verbose};
     """
     poweroff = "halt -p"