feat(neoverse-rd): add scope for RD-V1

As RD-V1 would need a dedicated scope for use, define the scope
'rdv1' under the subsection within Neoverse-RD platforms.

Change-Id: I035499e1ce85d6efd54ac4fe74ff6185367a07aa
Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
diff --git a/changelog.yaml b/changelog.yaml
index 3469cc5..60a6349 100644
--- a/changelog.yaml
+++ b/changelog.yaml
@@ -225,6 +225,9 @@
               - title: RD-N1 Edge
                 scope: rdn1edge
 
+              - title: RD-V1
+                scope: rdv1
+
               - title: RD-N2
                 scope: rdn2