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>
1 file changed