ReleaseNotes: Add Hexagon Target section
And mention removal of hexagonv2 and hexagonv3 support (r176859).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 9383c5b..5ee67b9 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -90,6 +90,11 @@
Some additional functionality is also implemented, notably DWARF debugging,
GNU-style thread local storage and inline assembly.
+Hexagon Target
+--------------
+
+- Removed support for hexagonv2 and hexagonv3 processor architectures.
+
Loop Vectorizer
---------------