[libmultipath] add support for IBM 3526
[libmultipath] add support for IBM 3526

we've found another IBM storage server in our lab; this patch adds the
necessary hwtable entry for it.

However, this is an RDAC machine, so it'll work only in some cases. One
day we really need an RDAC hw-handler.

Hannes Reinecke, Suse

unakatsuo/multipath-tools,gebi/multipath-tools,grzn/multipath-tools-explained,vijaychauhan/multipath-tools,vijaychauhan/multipath-tools,unakatsuo/multipath-tools,grzn/multipath-tools-explained,unakatsuo/multipath-tools