[easybuild] Toolchain without MPI

[Exequiel Sepúlveda]

Hi all,

I need to use a toochain, close to foss, without MPI (BLACS, FFTW, GCC,
OpenBLAS). An option is to create an specific toolchain for this, but if
there is one already defined, it should be great.

Cheers

-- 
Exequiel Sepulveda