Remove xgene1 from host detection

This is not a supported mcpu tuning option. We should treat it as
"generic" variant.

Also, add record for cortex-a35.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300003 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed