[Mips] Provide default name of MIPS-specific interpreter.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199514 91177308-0d34-0410-b5e6-96231b3b80d8
[Mips] Handle R_MIPS_26 relocation. Maintaining of .plt and .got.plt
sections will be implemented later.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199515 91177308-0d34-0410-b5e6-96231b3b80d8
[Mips] Implement .plt and .got.plt section creation.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199516 91177308-0d34-0410-b5e6-96231b3b80d8
[Mips] Allocate local GOT entry for a global symbol defined in an
executable file.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@199517 91177308-0d34-0410-b5e6-96231b3b80d8