refactor(sgi): rename RD-Edmunds to RD-V2

Neoverse Reference Design platform RD-Edmunds has been renamed to RD-V2
and so all corresponding references have been changed.

Signed-off-by: Joel Goddard <joel.goddard@arm.com>
Change-Id: I134f125f8ce9ec2f42988ecd742de307da936f2b
diff --git a/plat/arm/css/sgi/include/sgi_variant.h b/plat/arm/css/sgi/include/sgi_variant.h
index 41467f7..223ac3e 100644
--- a/plat/arm/css/sgi/include/sgi_variant.h
+++ b/plat/arm/css/sgi/include/sgi_variant.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -23,9 +23,9 @@
 /* SID Version values for RD-N2 variants */
 #define RD_N2_CFG1_SID_VER_PART_NUM		0x07B6
 
-/* SID Version values for RD-Edmunds */
-#define RD_EDMUNDS_SID_VER_PART_NUM		0x07F2
-#define RD_EDMUNDS_CONFIG_ID			0x1
+/* SID Version values for RD-V2 */
+#define RD_V2_SID_VER_PART_NUM			0x07F2
+#define RD_V2_CONFIG_ID				0x1
 
 /* Structure containing SGI platform variant information */
 typedef struct sgi_platform_info {