Removing tabs within check_license_flags to standardize to
4 space tabbing
(From OE-Core rev: 178be339e09078c56a5231a10551f3b9aed16f9c)
Signed-off-by: Elizabeth Flanagan <elizabeth.flanagan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>