Add short blurb about LLVM dynamic linking to release notes
Add short blurb about LLVM dynamic linking to release notes

Signed-off-by: Austin Seipp <7ea35d812706d9213868749011af1ed4fa2f6aa0@well-typed.com>

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