fix: a8k: svc: Fix the voltage settings for a7040 @ 1600MHz

For A7040 running at 1600MHz the SVC workpoint should not be changed.

Change-Id: Ied44e34ffd71989b5a309f07ae29ba5a52d497ff
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/49627
Reviewed-by: Ilan Dahan <iland@marvell.com>
Tested-by: iSoC Platform CI <ykjenk@marvell.com>
Reviewed-by: Igor Shapiro <ishapiro@marvell.com>

plat/marvell/a8k/common/plat_ble_setup.c

@@ -461,9 +461,12 @@ static void ble_plat_svc_config(void)
 			break;
 		case CPU_1600_DDR_800_RCLK_800: /* 7020 only */
 		default:
-			if (perr[0])
-				goto perror;
-			avs_workpoint = svc[0];
+			if (single_cluster) {/* 7020 */
+				if (perr[0])
+					goto perror;
+				avs_workpoint = svc[0];
+			} else
+				avs_workpoint = 0;
 			break;
 		}
 	} else {