tools: do not do license check in components directory

The components directory contains code from upstream projects.
There is no need to run license-check and license-fix in those
directories.

Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Reviewed-by: Lijian Zhang <lijian.zhang@arm.com>

Change-Id: I95a0758feef8293a1dd08be0dd2d2f4e029d0e87