[PATCH v5 07/16] buildman: Update the arc toolchain

[Simon Glass]

There is one on kernel.org but it does not build the hsdk_4xd board. Add
a link to one which does.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v4)

Changes in v4:
- Add a patch to update the arc toolchain

 tools/buildman/buildman.rst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Applied to u-boot-dm, thanks!