[llvm] [ARM] Regenerate MIR checks. (PR #73551)

[Florian Hahn via llvm-commits]

fhahn wrote:

> Should the [MTE] here refer to MVE? Or does it mean something else? Maybe just use [ARM]?
> 
> Updating the tests sounds OK if you still need this.

Whoops, should have been MVE, changed to ARM :) 

https://github.com/llvm/llvm-project/pull/73551