[llvm] [DOC][DTLTO] Update DTLTO documentation for the LLVM 22 release (PR #177368)

[Andrew Ng via llvm-commits]

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@@ -24,7 +24,11 @@ here:
 Using the *separate thin-link* approach requires a build system capable of
 handling the dynamic dependencies specified in the individual summary index
 files, such as Bazel. DTLTO removes this requirement, allowing it to be used
-with any build process that supports in-process ThinLTO.
+with any build process that supports in-process ThinLTO. To facilitate this,
+DTLTO supports common in-process ThinLTO features, such as caching. Bitcode
+objects in static libraries/archives (e.g. libc.a) are also handled
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nga888 wrote:

Although I personally prefer `e.g.`, I think it's better to be consistent and this doc already uses `e.g., `. So I would suggest restoring the `,` or perhaps just removing the `libc.a` example completely.

https://github.com/llvm/llvm-project/pull/177368