[DSL] Enable DSL code in SCM & GCM by using USE_DSL#826

FlorianDeconinck wants to merge 2 commits intodevelopGEOS-ESM/GEOSgcm_App:developfrom

feature/dsl/enable_DSL_with_USE_DSL_evGEOS-ESM/GEOSgcm_App:feature/dsl/enable_DSL_with_USE_DSL_evCopy head branch name to clipboard