Fix validation

app/ghcup-gen/Validate.hs

@@ -99,7 +99,7 @@ validate dls = do
     -- (although it could be static)
     when (not $ any (== Linux Alpine) pspecs) $
       case t of
-        GHCup -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
+        GHCup | arch `elem` [A_64, A_32] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
         Cabal | v > [vver|2.4.1.0|]
               , arch `elem` [A_64, A_32] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]) >> addError
         GHC | Latest `elem` tags || Recommended `elem` tags