fix(cpus): update the rev-var for Cortex-A78AE

Update the revision and variant information in the
cortex_a78_ae.s and errata ABI file for erratum ID - 2376748
based on the latest SDEN.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1707912/latest

Change-Id: I082aac41adf717b0d5d59046a8933a3f5a3de94f
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
diff --git a/lib/cpus/aarch64/cortex_a78_ae.S b/lib/cpus/aarch64/cortex_a78_ae.S
index 94f6465..d3a3e5d 100644
--- a/lib/cpus/aarch64/cortex_a78_ae.S
+++ b/lib/cpus/aarch64/cortex_a78_ae.S
@@ -70,7 +70,7 @@
 	sysreg_bit_set CORTEX_A78_AE_ACTLR2_EL1, CORTEX_A78_AE_ACTLR2_EL1_BIT_0
 workaround_reset_end cortex_a78_ae, ERRATUM(2376748)
 
-check_erratum_ls cortex_a78_ae, ERRATUM(2376748), CPU_REV(0, 1)
+check_erratum_ls cortex_a78_ae, ERRATUM(2376748), CPU_REV(0, 2)
 
 workaround_reset_start cortex_a78_ae, ERRATUM(2395408), ERRATA_A78_AE_2395408
 	/* --------------------------------------------------------
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 75f2a77..82212f9 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -352,7 +352,7 @@
 CPU_FLAG_LIST += ERRATA_A78_AE_1951502
 
 # Flag to apply erratum 2376748 workaround during reset. This erratum applies
-# to revisions r0p0 and r0p1 of the A78 AE cpu. It is still open.
+# to revisions r0p0, r0p1 and r0p2 of the A78 AE cpu. It is still open.
 CPU_FLAG_LIST += ERRATA_A78_AE_2376748
 
 # Flag to apply erratum 2395408 workaround during reset. This erratum applies