[Mips] Rename the test case input file. No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198560 91177308-0d34-0410-b5e6-96231b3b80d8
[Mips] Add support for DT_MIPS_RLD_MAP and DT_MIPS_PLTGOT dynamic
section tags to the llvm-readobj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198561 91177308-0d34-0410-b5e6-96231b3b80d8