Add init and deinit functionality to flow implementation.
Init puts structures used by flow in a sane sate.
Deinit deallocates all resources used by flow.
Signed-off-by: Tomasz Duszynski <tdu@semihalf.com>
Signed-off-by: Natalie Samsonov <nsamsono@marvell.com>
Reviewed-by: Liron Himi <lironh@marvell.com>
Reviewed-by: Shlomi Gridish <sgridish@marvell.com>