Change some conditional tests from Config.cTargetArch to platformArch
Change some conditional tests from Config.cTargetArch to platformArch

christiaanb/ghc,anton-dessiatov/ghc,green-haskell/ghc,holzensp/ghc,sdiehl/ghc,elieux/ghc,mcmaniac/ghc,nathyong/microghc-ghc,ml9951/ghc,mcmaniac/ghc,olsner/ghc,frantisekfarka/ghc-dsi,holzensp/ghc,bitemyapp/ghc,acowley/ghc,nushio3/ghc,sgillespie/ghc,nkaretnikov/ghc,spacekitteh/smcghc,acowley/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,forked-upstream-packages-for-ghcjs/ghc,jstolarek/ghc,snoyberg/ghc,forked-upstream-packages-for-ghcjs/ghc,TomMD/ghc,ryantm/ghc,vikraman/ghc,nathyong/microghc-ghc,da-x/ghc,TomMD/ghc,lukexi/ghc,oldmanmike/ghc,christiaanb/ghc,ekmett/ghc,mettekou/ghc,sdiehl/ghc,siddhanathan/ghc,lukexi/ghc-7.8-arm64,mfine/ghc,christiaanb/ghc,gcampax/ghc,ekmett/ghc,shlevy/ghc,snoyberg/ghc,spacekitteh/smcghc,forked-upstream-packages-for-ghcjs/ghc,elieux/ghc,AlexanderPankiv/ghc,mcschroeder/ghc,nathyong/microghc-ghc,TomMD/ghc,gcampax/ghc,hferreiro/replay,lukexi/ghc-7.8-arm64,gridaphobe/ghc,urbanslug/ghc,sdiehl/ghc,lukexi/ghc-7.8-arm64,oldmanmike/ghc,fmthoma/ghc,acowley/ghc,ezyang/ghc,lukexi/ghc,nathyong/microghc-ghc,ilyasergey/GHC-XAppFix,mfine/ghc,green-haskell/ghc,forked-upstream-packages-for-ghcjs/ghc,vikraman/ghc,vTurbine/ghc,gridaphobe/ghc,sgillespie/ghc,acowley/ghc,sdiehl/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,mcschroeder/ghc,gcampax/ghc,elieux/ghc,nushio3/ghc,olsner/ghc,GaloisInc/halvm-ghc,spacekitteh/smcghc,oldmanmike/ghc,olsner/ghc,wxwxwwxxx/ghc,nushio3/ghc,mcmaniac/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,siddhanathan/ghc,ilyasergey/GHC-XAppFix,anton-dessiatov/ghc,ml9951/ghc,sgillespie/ghc,snoyberg/ghc,nkaretnikov/ghc,mettekou/ghc,GaloisInc/halvm-ghc,nkaretnikov/ghc,ekmett/ghc,anton-dessiatov/ghc,christiaanb/ghc,green-haskell/ghc,nkaretnikov/ghc,da-x/ghc,fmthoma/ghc,ghc-android/ghc,sdiehl/ghc,gridaphobe/ghc,siddhanathan/ghc,frantisekfarka/ghc-dsi,mcschroeder/ghc,ekmett/ghc,shlevy/ghc,ml9951/ghc,mettekou/ghc,da-x/ghc,tibbe/ghc,gridaphobe/ghc,nomeata/ghc,frantisekfarka/ghc-dsi,TomMD/ghc,oldmanmike/ghc,GaloisInc/halvm-ghc,mfine/ghc,sgillespie/ghc,jstolarek/ghc,mcschroeder/ghc,sgillespie/ghc,acowley/ghc,hferreiro/replay,siddhanathan/ghc,olsner/ghc,holzensp/ghc,holzensp/ghc,bitemyapp/ghc,elieux/ghc,fmthoma/ghc,bitemyapp/ghc,ghc-android/ghc,ezyang/ghc,mfine/ghc,spacekitteh/smcghc,ryantm/ghc,hferreiro/replay,ml9951/ghc,nomeata/ghc,da-x/ghc,vikraman/ghc,christiaanb/ghc,ezyang/ghc,bitemyapp/ghc,mfine/ghc,tibbe/ghc,forked-upstream-packages-for-ghcjs/ghc,christiaanb/ghc,mettekou/ghc,elieux/ghc,AlexanderPankiv/ghc,elieux/ghc,ezyang/ghc,olsner/ghc,GaloisInc/halvm-ghc,nkaretnikov/ghc,nushio3/ghc,ml9951/ghc,sdiehl/ghc,vTurbine/ghc,vTurbine/ghc,mcmaniac/ghc,anton-dessiatov/ghc,tibbe/ghc,siddhanathan/ghc,lukexi/ghc-7.8-arm64,ghc-android/ghc,vTurbine/ghc,ekmett/ghc,tjakway/ghcjvm,sdiehl/ghc,lukexi/ghc,tjakway/ghcjvm,urbanslug/ghc,bitemyapp/ghc,shlevy/ghc,vikraman/ghc,ryantm/ghc,green-haskell/ghc,mcmaniac/ghc,TomMD/ghc,da-x/ghc,GaloisInc/halvm-ghc,wxwxwwxxx/ghc,olsner/ghc,TomMD/ghc,tibbe/ghc,nushio3/ghc,nkaretnikov/ghc,spacekitteh/smcghc,ghc-android/ghc,oldmanmike/ghc,ghc-android/ghc,mettekou/ghc,urbanslug/ghc,tjakway/ghcjvm,lukexi/ghc,vTurbine/ghc,mcschroeder/ghc,snoyberg/ghc,fmthoma/ghc,shlevy/ghc,nomeata/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,vTurbine/ghc,oldmanmike/ghc,da-x/ghc,mettekou/ghc,holzensp/ghc,wxwxwwxxx/ghc,lukexi/ghc,gcampax/ghc,da-x/ghc,ghc-android/ghc,nushio3/ghc,ml9951/ghc,vikraman/ghc,hferreiro/replay,nathyong/microghc-ghc,jstolarek/ghc,ml9951/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,anton-dessiatov/ghc,gridaphobe/ghc,fmthoma/ghc,nathyong/microghc-ghc,ilyasergey/GHC-XAppFix,frantisekfarka/ghc-dsi,lukexi/ghc-7.8-arm64,wxwxwwxxx/ghc,TomMD/ghc,frantisekfarka/ghc-dsi,anton-dessiatov/ghc,acowley/ghc,sgillespie/ghc,AlexanderPankiv/ghc,urbanslug/ghc,mettekou/ghc,siddhanathan/ghc,urbanslug/ghc,shlevy/ghc,hferreiro/replay,ryantm/ghc,nushio3/ghc,fmthoma/ghc,elieux/ghc,AlexanderPankiv/ghc,hferreiro/replay,shlevy/ghc,snoyberg/ghc,fmthoma/ghc,mfine/ghc,acowley/ghc,vikraman/ghc,nomeata/ghc,vikraman/ghc,wxwxwwxxx/ghc,gcampax/ghc,olsner/ghc,shlevy/ghc,jstolarek/ghc,siddhanathan/ghc,nathyong/microghc-ghc,nomeata/ghc,ezyang/ghc,gcampax/ghc,GaloisInc/halvm-ghc,gridaphobe/ghc,urbanslug/ghc,urbanslug/ghc,mfine/ghc,hferreiro/replay,sgillespie/ghc,ryantm/ghc,AlexanderPankiv/ghc,vTurbine/ghc,gridaphobe/ghc,gcampax/ghc,forked-upstream-packages-for-ghcjs/ghc,snoyberg/ghc,tjakway/ghcjvm,wxwxwwxxx/ghc,snoyberg/ghc,ezyang/ghc,tjakway/ghcjvm,ml9951/ghc,ezyang/ghc,jstolarek/ghc,tibbe/ghc,green-haskell/ghc,mcschroeder/ghc,nkaretnikov/ghc,ilyasergey/GHC-XAppFix,anton-dessiatov/ghc,christiaanb/ghc