configure: Enable LD_NO_GOLD is set in all codepaths
configure: Enable LD_NO_GOLD is set in all codepaths

Test Plan: `./configure --disable-ld-override; make; make install`

Reviewers: trofi, hvr

Reviewed By: trofi

Subscribers: rwbarton, thomie, erikd, carter, simonmar

GHC Trac Issues: #14675

Differential Revision: https://phabricator.haskell.org/D4448

sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc