[clang] Add armagicpu to release notes (PR #205599)

[Mark Murray via cfe-commits]

https://github.com/MarkMurrayARM updated https://github.com/llvm/llvm-project/pull/205599

>From 21b14769550fc0b4b542b86b0fc7c0c4af72c020 Mon Sep 17 00:00:00 2001
From: Mark Murray <Mark.Murray at arm.com>
Date: Wed, 24 Jun 2026 17:50:14 +0100
Subject: [PATCH 1/2] [AArch64] Document armagicpu in release notes

---
 clang/docs/ReleaseNotes.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 8bb17755b28f5..1132cc8e07241 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -888,6 +888,8 @@ X86 Support
 Arm and AArch64 Support
 ^^^^^^^^^^^^^^^^^^^^^^^
 
+- Added support for ``-mcpu=armagicpu`` as an alias for ``neoverse-v3ae``.
+
 Android Support
 ^^^^^^^^^^^^^^^
 

>From 99f82d8230e6a77880acb0b2070aa2786e7a8982 Mon Sep 17 00:00:00 2001
From: Mark Murray <mark.murray at arm.com>
Date: Thu, 25 Jun 2026 09:50:26 +0100
Subject: [PATCH 2/2] Update clang/docs/ReleaseNotes.rst

Co-authored-by: Volodymyr Turanskyy <vturanskyy at gmail.com>
---
 clang/docs/ReleaseNotes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 1132cc8e07241..412c2b9a845ca 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -888,7 +888,7 @@ X86 Support
 Arm and AArch64 Support
 ^^^^^^^^^^^^^^^^^^^^^^^
 
-- Added support for ``-mcpu=armagicpu`` as an alias for ``neoverse-v3ae``.
+Added support for the Arm AGI CPU via the ``-mcpu=armagicpu`` command-line option.
 
 Android Support
 ^^^^^^^^^^^^^^^