document that hp-ux doesn't seem to have migrat...
document that hp-ux doesn't seem to have migrat...

document that hp-ux doesn't seem to have migration support

This commit was SVN r2420.

ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc