[llvm-dwarfdump] - Print section name and index when dumping .debug_info ranges

Teaches llvm-dwarfdump to print section index and name of range
when it dumps .debug_info.

Differential revision: https://reviews.llvm.org/D36313

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310915 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed