[llvm] [RISCV] Put Large Code Model Constant Pools in .text (PR #151393)

[Sam Elliott via llvm-commits]

lenary wrote:

I'm not sure how "good" this test is. Update LLC Test Checks wasn't helpful because it would end at the end of a function and not show the constant pools themselves. Maybe `objdump -dr` might be better than looking at the section and symbol tables.

https://github.com/llvm/llvm-project/pull/151393