[clang] [Hexagon][Docs] document the change in the default target (PR #125584)

[Ikhlas Ajbar via cfe-commits]

https://github.com/iajbar created https://github.com/llvm/llvm-project/pull/125584

None

>From 59b76081f1c15c38f2b58ffce062dadce12d5811 Mon Sep 17 00:00:00 2001
From: Ikhlas Ajbar <iajbar at quicinc.com>
Date: Mon, 3 Feb 2025 12:47:22 -0800
Subject: [PATCH] [Hexagon][Docs] document the change in the default target

---
 clang/docs/ReleaseNotes.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 4266d6c523ab97..33a37bdf3f328a 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -161,6 +161,11 @@ AMDGPU Support
 NVPTX Support
 ^^^^^^^^^^^^^^
 
+Hexagon Support
+^^^^^^^^^^^^^^^
+
+-  The default compilation target has been changed from V60 to V68.
+
 X86 Support
 ^^^^^^^^^^^