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

[James Henderson via llvm-commits]

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@@ -528,6 +528,10 @@ them.
 
  Mark all defined global symbols as weak in the output.
 
+.. option:: --change-section-lma \*{+-}<val>
+
+ Shift LMA of non-zero-sized sections in the program header by ``<val>``
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jh7370 wrote:

"in the program header" isn't entirely accurate, given that there could be more than one header impacted.

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