open-iscsi: add recipe

Open-iSCSI project is a high performance, transport
independent, multi-platform implementation of RFC3720.

Signed-off-by: Li Xin <lixin.fnst@cn.fujitsu.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>