binman: Correct the search patch for pylibfdt

Now that binman uses tools/ as its base directory for importing modules,
the path to the pylibfdt build by U-Boot is incorrect. Fix it with a new
path.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
1 file changed