[lldb] Put site-packages into a sub dir of CMAKE_CFG_INTDIR
[lldb] Put site-packages into a sub dir of CMAKE_CFG_INTDIR

Summary: Fixes issue like D68719

Reviewers: tatyana-krasnukha

Subscribers: mgorny, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D68728

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@374250 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb