[LLDB][MIPS] Added support for MIPS1, MIPS2, MIPS3, MIPS4 and MIPS5 instruction sets

Patch by Nitesh Jain.

Summary: This Patch will allowed LLDB to debug respective instruction sets binaries.

Reviewers: jaydeep, clayborg
Subscribers: lldb-commits, mohit.bhakkad, sagar, bhushan
Differential: http://reviews.llvm.org/D15487
llvm-svn: 255619