Clang: Rename library clangbackendipc to clangsupport

We already share same classes there which has nothing to do with IPC and
I want to more for sharing. So we should use a name which fits better.

Change-Id: Idfb12b6de714206117b92634ad719c6a0e290e78
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/clangcodemodel/clangcodemodel.qbs

@@ -10,7 +10,7 @@ QtcPlugin {
     Depends { name: "ProjectExplorer" }
     Depends { name: "TextEditor" }
     Depends { name: "Utils" }
-    Depends { name: "ClangBackEndIpc" }
+    Depends { name: "ClangSupport" }
     Depends { name: "libclang"; required: false }
 
     pluginTestDepends: [
@@ -41,7 +41,7 @@ QtcPlugin {
         "clangassistproposalitem.h",
         "clangassistproposalmodel.cpp",
         "clangassistproposalmodel.h",
-        "clangbackendipcintegration.cpp",
+        "clangsupportintegration.cpp",
         "clangbackendipcintegration.h",
         "clangcodemodelplugin.cpp",
         "clangcodemodelplugin.h",