[llvm] [SPARC][IAS] Emit the correct 32-bit ELF machine type (PR #96583)

[John Paul Adrian Glaubitz via llvm-commits]

glaubitz wrote:

> Also, any ideas on how should I go to unit test this change?

Maybe using the `file` command to test for the machine type of a generated object file?

https://github.com/llvm/llvm-project/pull/96583