BACKPORT: align wmake have_* scripts with v2006

wmake/scripts/have_adios2

wmake/scripts/have_boost

wmake/scripts/have_ccmio

wmake/scripts/have_cgal

wmake/scripts/have_fftw

wmake/scripts/have_hypre

wmake/scripts/have_kahip

wmake/scripts/have_metis

wmake/scripts/have_mgridgen

wmake/scripts/have_petsc

wmake/scripts/have_readline

wmake/scripts/have_scotch

wmake/scripts/have_zoltan