Auto merge of #9492 - mmatyas:arm64_linker_fix, r=jdm
Auto merge of #9492 - mmatyas:arm64_linker_fix, r=jdm

Fix build error on AArch64

When cross compiling to AArch64, the native `cc` is used in the final linking step, instead of `aarch64-linux-gnu-gcc`. This patch fixes the issue.

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avadacatavra/servo,cbrewster/servo,mbrubeck/servo,canaltinova/servo,dsandeephegde/servo,DominoTree/servo,eddyb/servo,anthgur/servo,KiChjang/servo,mattnenterprise/servo,upsuper/servo,larsbergstrom/servo,ConnorGBrewster/servo,peterjoel/servo,paulrouget/servo,larsbergstrom/servo,peterjoel/servo,canaltinova/servo,pyfisch/servo,thiagopnts/servo,pyfisch/servo,larsbergstrom/servo,KiChjang/servo,cbrewster/servo,anthgur/servo,jimberlage/servo,DominoTree/servo,larsbergstrom/servo,ConnorGBrewster/servo,saneyuki/servo,splav/servo,jimberlage/servo,dati91/servo,CJ8664/servo,ConnorGBrewster/servo,jimberlage/servo,szeged/servo,sadmansk/servo,eddyb/servo,canaltinova/servo,pyfisch/servo,upsuper/servo,szeged/servo,szeged/servo,steveklabnik/servo,ConnorGBrewster/servo,nrc/servo,rnestler/servo,canaltinova/servo,DominoTree/servo,dati91/servo,sadmansk/servo,paulrouget/servo,thiagopnts/servo,sadmansk/servo,saneyuki/servo,emilio/servo,saneyuki/servo,steveklabnik/servo,larsbergstrom/servo,szeged/servo,nnethercote/servo,CJ8664/servo,DominoTree/servo,jimberlage/servo,cbrewster/servo,nnethercote/servo,nnethercote/servo,nnethercote/servo,pyfisch/servo,fiji-flo/servo,mbrubeck/servo,canaltinova/servo,CJ8664/servo,dsandeephegde/servo,pyfisch/servo,upsuper/servo,cbrewster/servo,paulrouget/servo,avadacatavra/servo,SimonSapin/servo,emilio/servo,peterjoel/servo,larsbergstrom/servo,canaltinova/servo,eddyb/servo,szeged/servo,jimberlage/servo,notriddle/servo,rnestler/servo,nrc/servo,dsandeephegde/servo,nnethercote/servo,upsuper/servo,saneyuki/servo,notriddle/servo,avadacatavra/servo,rnestler/servo,fiji-flo/servo,larsbergstrom/servo,notriddle/servo,thiagopnts/servo,SimonSapin/servo,nrc/servo,dati91/servo,peterjoel/servo,paulrouget/servo,avadacatavra/servo,notriddle/servo,DominoTree/servo,emilio/servo,larsbergstrom/servo,mattnenterprise/servo,notriddle/servo,jimberlage/servo,nrc/servo,mbrubeck/servo,saneyuki/servo,nnethercote/servo,canaltinova/servo,mbrubeck/servo,thiagopnts/servo,KiChjang/servo,dsandeephegde/servo,dati91/servo,avadacatavra/servo,szeged/servo,saneyuki/servo,notriddle/servo,CJ8664/servo,fiji-flo/servo,upsuper/servo,larsbergstrom/servo,thiagopnts/servo,mbrubeck/servo,szeged/servo,thiagopnts/servo,splav/servo,jimberlage/servo,avadacatavra/servo,nrc/servo,mbrubeck/servo,KiChjang/servo,sadmansk/servo,peterjoel/servo,sadmansk/servo,emilio/servo,KiChjang/servo,CJ8664/servo,ConnorGBrewster/servo,cbrewster/servo,notriddle/servo,rnestler/servo,eddyb/servo,splav/servo,rnestler/servo,szeged/servo,steveklabnik/servo,saneyuki/servo,mattnenterprise/servo,pyfisch/servo,eddyb/servo,mbrubeck/servo,nnethercote/servo,emilio/servo,cbrewster/servo,splav/servo,KiChjang/servo,saneyuki/servo,thiagopnts/servo,upsuper/servo,mattnenterprise/servo,paulrouget/servo,sadmansk/servo,CJ8664/servo,mattnenterprise/servo,CJ8664/servo,eddyb/servo,mbrubeck/servo,KiChjang/servo,paulrouget/servo,splav/servo,anthgur/servo,splav/servo,dsandeephegde/servo,anthgur/servo,sadmansk/servo,ConnorGBrewster/servo,sadmansk/servo,fiji-flo/servo,ConnorGBrewster/servo,DominoTree/servo,KiChjang/servo,paulrouget/servo,fiji-flo/servo,dati91/servo,szeged/servo,fiji-flo/servo,pyfisch/servo,pyfisch/servo,emilio/servo,splav/servo,SimonSapin/servo,DominoTree/servo,dati91/servo,pyfisch/servo,canaltinova/servo,anthgur/servo,notriddle/servo,upsuper/servo,pyfisch/servo,upsuper/servo,steveklabnik/servo,emilio/servo,rnestler/servo,notriddle/servo,KiChjang/servo,dati91/servo,larsbergstrom/servo,peterjoel/servo,peterjoel/servo,nnethercote/servo,emilio/servo,nrc/servo,SimonSapin/servo,KiChjang/servo,fiji-flo/servo,paulrouget/servo,dsandeephegde/servo,rnestler/servo,eddyb/servo,DominoTree/servo,splav/servo,dati91/servo,peterjoel/servo,cbrewster/servo,steveklabnik/servo,anthgur/servo,nnethercote/servo,emilio/servo,SimonSapin/servo,jimberlage/servo,paulrouget/servo,DominoTree/servo,thiagopnts/servo,avadacatavra/servo,anthgur/servo,steveklabnik/servo,fiji-flo/servo,cbrewster/servo,anthgur/servo,SimonSapin/servo,DominoTree/servo,rnestler/servo,splav/servo,peterjoel/servo,saneyuki/servo,steveklabnik/servo,peterjoel/servo,mattnenterprise/servo,notriddle/servo,mattnenterprise/servo,nrc/servo,CJ8664/servo,eddyb/servo,avadacatavra/servo,dsandeephegde/servo,splav/servo,emilio/servo,ConnorGBrewster/servo,mattnenterprise/servo,jimberlage/servo,nnethercote/servo,dsandeephegde/servo,paulrouget/servo,szeged/servo,SimonSapin/servo,saneyuki/servo,SimonSapin/servo