feat(drtm): update references to DRTM beta0

Update all references to DRTM beta0 to be 1.0 instead.

Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Change-Id: Ieda70f26f3be42f4705e9b267706674c94f120f2
diff --git a/services/std_svc/drtm/drtm_main.c b/services/std_svc/drtm/drtm_main.c
index 6b99721..b9c83fa 100644
--- a/services/std_svc/drtm/drtm_main.c
+++ b/services/std_svc/drtm/drtm_main.c
@@ -658,7 +658,7 @@
 	drtm_dl_prepare_eret_to_dlme(&args, dlme_el);
 
 	/*
-	 * As per DRTM beta0 spec table #28 invalidate the instruction cache
+	 * As per DRTM 1.0 spec table #30 invalidate the instruction cache
 	 * before jumping to the DLME. This is required to defend against
 	 * potentially-malicious cache contents.
 	 */