[CMake] Polish folders in generated Xcode project

Summary: Group plugins by subfolder. Move liblldb-resource-headers to `lldb misc`. Avoid install-distribution related targets in IDE-enabled builds.

Reviewers: jingham, mib, stella.stamenova

Subscribers: mgorny, lldb-commits, #lldb

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D64865

llvm-svn: 366459
diff --git a/lldb/CMakeLists.txt b/lldb/CMakeLists.txt
index 609aa0b..a963ed6 100644
--- a/lldb/CMakeLists.txt
+++ b/lldb/CMakeLists.txt
@@ -234,6 +234,6 @@
     endif ()
 endif ()
 
-if(LLDB_BUILT_STANDALONE)
+if(LLDB_BUILT_STANDALONE AND NOT LLVM_ENABLE_IDE)
   llvm_distribution_add_targets()
 endif()