utils: .gitignore

Added .gitignore file into utils directory.
Added there all build stuff produced by ffsb compilation.
Moved there sctp-related stuff from testcases/network/.gitignore
(it was not done in 6f22494d19b605ded308dc0fa713e91cb873f44a).

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
2 files changed