mpibind on derecho

[jedwards4b]

We need to modify so that jobs using < 128 tasks are set to 128 tasks for mpibind to work correctly on derecho.

[glemieux]

@jedwards4b am I correct in understanding this would address NCAR/mpibind#5?

[glemieux]

I think this can be closed per ESCOMP/CTSM#2423 (comment)