[HIP] Change to code object v4

Change to code object v4 by default to match ROCm 4.1.

Reviewed by: Artem Belevich

Differential Revision: https://reviews.llvm.org/D99235

GitOrigin-RevId: 4fd05e0ad7fba41f27a6f61d9f7fec4382cb96fe
10 files changed