BaseTools: add missing newlines at end of files

BaseTools: add missing newlines at end of files

Some scripts in Source/Python were missing newlines at end of files,
so add them.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>