Revert "Revert "[HIP] Temporary add rpath to HIP RT by default""

   see if this fixes the libamdhip64.so not found in rocfft rocsparse

This reverts commit 6b7a2ca.

Change-Id: I591eebb8d7673f071e8cd5c5632878cdc82315bf

Author: ronlieb

clang/lib/Driver/ToolChains/Linux.cpp

@@ -961,7 +961,7 @@ void Linux::AddHIPRuntimeLibArgs(const ArgList &Args,
       Args.MakeArgString(StringRef("-L") + RocmInstallation->getLibPath()));
 
   if (Args.hasFlag(options::OPT_frtlib_add_rpath,
-                   options::OPT_fno_rtlib_add_rpath, false))
+                   options::OPT_fno_rtlib_add_rpath, true))
     CmdArgs.append(
         {"-rpath", Args.MakeArgString(RocmInstallation->getLibPath())});