[mips] Correct the definitions of some control instructions
Correct the definitions of ei, di, eret, deret, wait, syscall and break.
Also provide microMIPS specific aliases to match the MIPS aliases.
Additionally correct the definition of the wait instruction so that
it is present in the instruction mapping tables.
Reviewers: smaksimovic, abeserminji, atanasyan
Differential Revision: https://reviews.llvm.org/D45939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330952 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed