[PATCH v3 05/29] patman: Use capture_sys_output() consistently

[Simon Glass]

One test still uses its own function for capturing output. Modify it to
use the standard one in test_util

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

(no changes since v1)

 tools/patman/func_test.py | 20 ++------------------
 1 file changed, 2 insertions(+), 18 deletions(-)

Applied to u-boot-dm, thanks!