fix(cpus): workaround for Neoverse N2 erratum 2743014

Neoverse N2 erratum 2743014 is a Cat B erratum that applies to
all revisions <=r0p2 and is fixed in r0p3. The workaround is to
set CPUACTLR5_EL1[56:55] to 2'b01.

SDEN documentation:
https://developer.arm.com/documentation/SDEN1982442/latest

Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: Ie7e1be5dea9d1f74738f9fed0fb58bfd41763192
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 175f88d..ce369e2 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -668,6 +668,10 @@
 # r0p3.
 CPU_FLAG_LIST += ERRATA_N2_2728475
 
+# Flag to apply erratum 2743014 workaround during reset. This erratum applies
+# to r0p0, r0p1, r0p2 of the Neoverse N2 cpu, it is fixed in r0p3.
+CPU_FLAG_LIST += ERRATA_N2_2743014
+
 # Flag to apply erratum 2743089 workaround during during powerdown. This erratum
 # applies to all revisions <= r0p2 of the Neoverse N2 cpu, it is fixed in r0p3.
 CPU_FLAG_LIST += ERRATA_N2_2743089