[llvm] [docs][llvm-objcopy] Add missing formats (PR #81981)

[Ulrich Weigand via llvm-commits]

https://github.com/uweigand created https://github.com/llvm/llvm-project/pull/81981

Bring list of supported formats in docs back in sync with the code.

>From 5ec5ae05f7ab39ab3a6c9bf7ce5741351e607de4 Mon Sep 17 00:00:00 2001
From: Ulrich Weigand <ulrich.weigand at de.ibm.com>
Date: Fri, 16 Feb 2024 12:02:14 +0100
Subject: [PATCH] [docs][llvm-objcopy] Add missing formats

Bring list of supported formats in docs back in sync with the code.
---
 llvm/docs/CommandGuide/llvm-objcopy.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/docs/CommandGuide/llvm-objcopy.rst b/llvm/docs/CommandGuide/llvm-objcopy.rst
index b823be9e828249..0fb3c4bed643a5 100644
--- a/llvm/docs/CommandGuide/llvm-objcopy.rst
+++ b/llvm/docs/CommandGuide/llvm-objcopy.rst
@@ -543,6 +543,10 @@ options. For GNU :program:`objcopy` compatibility, the values are all bfdnames.
 - `elf64-tradlittlemips`
 - `elf32-sparc`
 - `elf32-sparcel`
+- `elf32-hexagon`
+- `elf32-loongarch`
+- `elf64-loongarch`
+- `elf64-s390`
 
 The following formats are suppoprted by :program:`llvm-objcopy` for the
 :option:`--output-target` only: