Add entry about Hexagon V68 support to the release notes

diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index a5d4c29..498ffbc 100644 (file)
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -88,6 +88,10 @@ Changes to the MIPS Target
 
 During this release ...
 
+Changes to the Hexagon Target
+--------------------------
+
+* The Hexagon target now supports V68/HVX ISA.
 
 Changes to the PowerPC Target
 -----------------------------