fix(cpus): fix the rev-var of Neoverse-V1

Update the revision and variant information in the
errata ABI file, neoverse_v1.S file for erratum ID - 2294912
to match the revision and variant in the latest SDEN.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1401781/latest

Change-Id: I38a0f53c3515860ba442b5c0872c8ab051fdda6f
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 019924f..f2407f3 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -517,7 +517,7 @@
 CPU_FLAG_LIST += ERRATA_V1_2216392
 
 # Flag to apply erratum 2294912 workaround during reset. This erratum applies
-# to revisions r0p0, r1p0, and r1p1 of the Neoverse V1 cpu and is still open.
+# to revisions r0p0, r1p0, and r1p1 and r1p2 of the Neoverse V1 cpu and is still open.
 CPU_FLAG_LIST += ERRATA_V1_2294912
 
 # Flag to apply erratum 2372203 workaround during reset. This erratum applies