[llvm] [llvm-objcopy] Fix prints wrong path when dump-section output path doesn't exist (PR #125345)

[Amr Hesham via llvm-commits]

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@@ -130,6 +130,9 @@ Changes to the Debug Info
 Changes to the LLVM tools
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+- llvm-objcopy now prints the correct file path in the error message when
+the output file specified by --dump-section cannot be opened.
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AmrDeveloper wrote:

I updated the title and message, i will merge and run `cherry pick` command

https://github.com/llvm/llvm-project/pull/125345