[llvm] [MIPS]Initial support for MIPS16 assembly. (PR #108681)

[Jesse D via llvm-commits]

================
@@ -0,0 +1,167 @@
+# REQUIRES: mips-registered-target
----------------
jdeguire wrote:

The "REQUIRES" line has been removed and I surrounded the machine code values in brackets. That utility script does not exist in the version of LLVM this PR is based on. Should I try to rebase this PR to the latest one or leave this be?

https://github.com/llvm/llvm-project/pull/108681