When files were added, matching did not work and we were counting added
files twice. Use sets to make sure we have a unique list of files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Script to detect if full sanitycheck should run or if we can skip it and
just run the code that actuallt changed (in samples/tests).
Signed-off-by: Anas Nashif <anas.nashif@intel.com>