cherry picked from commit 6d4c8af321e5d0da919fd946d44abbd61a10b708

Fix typo in 'make check-help' output.

Signed-off-by: Philippe Mathieu-Daudé f4bug@amsat.org
Message-Id: 20220111175528.22294-1-f4bug@amsat.org
Signed-off-by: Laurent Vivier laurent@vivier.eu
Signed-off-by: Luo Yifan luoyifan_yewu@cmss.chinamobile.com