board/pc: fix typo in board/pc/post-build.sh

Signed-off-by: Grégoire Delattre <gregoire.delattre@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9f1256e1aae0a1e91e033d51b968415adec117bf)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
1 file changed