op-build v2.0.1 release notes

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
(cherry picked from commit 5914143b37045ad4d06fb0e4d32c413ae85253eb)
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/doc/release-notes/index.rst b/doc/release-notes/index.rst
index 50ade96..ffd529a 100644
--- a/doc/release-notes/index.rst
+++ b/doc/release-notes/index.rst
@@ -15,3 +15,4 @@
    v1.22
    v2.0-rc1
    v2.0
+   v2.0.1