Document lstopo --icaches in the manpage
Document lstopo --icaches in the manpage

git-svn-id: 3b2a4aa26cd12609215083b552b6e196908f68af@4372 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc