env/linux-ppc64le/osuosl: update NOTES with updated IPs
env/linux-ppc64le/osuosl: update NOTES with updated IPs

They were moved around a few months ago and I didn't
update the notes.

Change-Id: I435864acbb967a5c9f0eb6a0f969fe711cd720c9
Reviewed-on: https://go-review.googlesource.com/37143
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

golang/build,golang/build,golang/build,golang/build