Bring back the build of libprofile_rt on Sparc. It is now working correctly. See:
https://buildd.debian.org/status/fetch.php?pkg=llvm-toolchain-3.3&arch=sparc&ver=1%3A3.3-9&stamp=1378398308

Thanks to Luca Falavigna for the patch



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190273 91177308-0d34-0410-b5e6-96231b3b80d8