[PATCH 1/2] buildman: Exit after reading toolchain

[Simon Glass]

Recent refactoring changed buildman to continue operation after fetching
a toolchain. Fix this.

Fixes: b8680646521 ("bulidman: Move toolchain handling to a function")

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

 tools/buildman/control.py | 3 +++
 1 file changed, 3 insertions(+)

Applied to u-boot-dm, thanks!