check-include-order.py: Add --debug option and log shell commands executed

To help debugging issues with apparent LTS false positives.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I600b42ce19eb6014dfb40addadf300d80712df56
(cherry picked from commit fefed491cd7a1cfca851a74ffc41bc7d06c63839)
1 file changed