[libc] [llvm] [libc] Make sqrtf128 use emulated float128 (PR #216500)

[via llvm-commits]

================
@@ -13567,6 +13567,8 @@ libc_math_function(
 libc_math_function(
     name = "sqrtf128",
     additional_deps = [
+        ":__support_cpp_bit",
+        ":__support_fputil_float128",
----------------
overmighty wrote:

Nit: no need to add :__support_fputil_float128 here directly. Every other entrypoint depends on :llvm_libc_types_float128 indirectly through :__support_math_<function>.

```suggestion
```

https://github.com/llvm/llvm-project/pull/216500