[lld] [lld][ELF] Add `-plugin-opt=time-trace=` as an alias of `--time-trace=` (PR #106803)

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,21 @@
+; REQUIRES: x86
+; RUN: llvm-as %s -o %t.o
+; Print to a specific file
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MaskRay wrote:

The command self explains and the comment is not that useful

https://github.com/llvm/llvm-project/pull/106803