scripts/check-config.sh: Add usage()
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tue, 11 Dec 2018 16:22:28 +0000 (18:22 +0200)
committerTom Rini <trini@konsulko.com>
Wed, 26 Dec 2018 23:24:26 +0000 (18:24 -0500)
commit94ca269049e2a57107c3d7a3713e8bfd054a2153
tree060e7dcfb0f59b4be429dcdf835e1ba1dc5d52b8
parent562a63e86bc7b308a328a7bbdf0db237855c39a8
scripts/check-config.sh: Add usage()

When arguments are not supplied the error message is misleading and
doesn't tell what exactly has to be done.

Fix this by adding usage() and call it if above circumstance occurs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
scripts/check-config.sh