[llvm] [NVPTX] Fix lit test issue from used_bytes_mask (PR #171220)

[Artem Belevich via llvm-commits]

Artem-B wrote:

Looks like tablegen back-end assumes a particular list of arguments passed to the operand `PrintMethod`.  
Off the top of my head, I'm not sure how to plumb additional MCSubtargetInfo argument into it.
Instead of passing it directly, can we recover `MCSubtargetInfo` via `MCInst` ?

https://github.com/llvm/llvm-project/pull/171220