[llvm] [llvm-objcopy] Add change-section-lma *+/-offset (PR #95431)

[James Henderson via llvm-commits]

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@@ -299,6 +299,10 @@ them.
  Allow :program:`llvm-objcopy` to remove sections even if it would leave invalid
  section references. Any invalid sh_link fields will be set to zero.
 
+.. option:: --change-section-lma \*{+-}<val>
+
+ Shift LMA of non-zero-sized segments by ``<val>``
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jh7370 wrote:

```suggestion
 Shift LMA of non-zero-sized segments by ``<val>``.
```

https://github.com/llvm/llvm-project/pull/95431