[llvm] [Hexagon] Update InstrInfo to include LD/ST offsets of vector instructions (PR #82386)

[Sumanth Gundapaneni via llvm-commits]

sgundapa wrote:

> This appears to have fixed the issues in Halide, thanks!

Yes. I will merge this and re-push the PostIncOpt pass. 
Thanks for flagging the issue. 

https://github.com/llvm/llvm-project/pull/82386