test/py: use absolute dts path in vboot test
Without this, the test fails if the test is run with a cwd other than the
root of the U-Boot source tree.
Fixes: 8729d582595d ("test: Convert the vboot test to test/py")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/test/py/tests/test_vboot.py b/test/py/tests/test_vboot.py
index c779895..25a7832 100644
--- a/test/py/tests/test_vboot.py
+++ b/test/py/tests/test_vboot.py
@@ -151,7 +151,7 @@
cons = u_boot_console
tmpdir = cons.config.result_dir + '/'
tmp = tmpdir + 'vboot.tmp'
- datadir = 'test/py/tests/vboot/'
+ datadir = cons.config.source_dir + '/test/py/tests/vboot/'
fit = '%stest.fit' % tmpdir
mkimage = cons.config.build_dir + '/tools/mkimage'
fit_check_sign = cons.config.build_dir + '/tools/fit_check_sign'