[ewg] libiwpm change breaks OFED build

[Hefty, Sean]

> I am sorry for the trouble. I am going to change latest.txt to libiwpm-
> 1.0.5.tar.gz. The new iwpmd-1.0.6.tar.gz package is intended for the
> next OFED-4-x release.

Independent from OFED, changing the package name will be confusing for users.