[llvm] [Hexagon] Add saturating add instructions (PR #148132)

[Jyotsna Verma via llvm-commits]

jverma-quic wrote:

> > Hi Ankit, I dont see any changes for the vector instructions.
> 
> yeah - either the commit message is wrong or the vector instructions were omitted.

Agreed. The commit message needs to be updated. The changes in the PR are only for the scalar.

https://github.com/llvm/llvm-project/pull/148132