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/services/std_svc/errata_abi/errata_abi_main.c b/services/std_svc/errata_abi/errata_abi_main.c
index d911e91..53353f8 100644
--- a/services/std_svc/errata_abi/errata_abi_main.c
+++ b/services/std_svc/errata_abi/errata_abi_main.c
@@ -218,7 +218,7 @@
 	.cpu_errata_list = {
 		[0] = {1941500, 0x00, 0x01, ERRATA_A78_AE_1941500},
 		[1] = {1951502, 0x00, 0x01, ERRATA_A78_AE_1951502},
-		[2] = {2376748, 0x00, 0x01, ERRATA_A78_AE_2376748},
+		[2] = {2376748, 0x00, 0x02, ERRATA_A78_AE_2376748},
 		[3] = {2395408, 0x00, 0x01, ERRATA_A78_AE_2395408},
 		[4] = {2712574, 0x00, 0x02, ERRATA_A78_AE_2712574, \
 			ERRATA_NON_ARM_INTERCONNECT},