Rename Cortex-Helios to Neoverse E1

Change-Id: I1adcf195c0ba739002f3a59e805c782dd292ccba
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>
diff --git a/plat/arm/board/sgiclarkh/platform.mk b/plat/arm/board/sgiclarkh/platform.mk
index 222ca60..1e93d93 100644
--- a/plat/arm/board/sgiclarkh/platform.mk
+++ b/plat/arm/board/sgiclarkh/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, Arm Limited. All rights reserved.
+# Copyright (c) 2018-2019, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -10,7 +10,7 @@
 
 PLAT_INCLUDES		+=	-I${SGICLARKH_BASE}/include/
 
-SGI_CPU_SOURCES		:=	lib/cpus/aarch64/cortex_helios.S
+SGI_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_e1.S
 
 BL1_SOURCES		+=	${SGI_CPU_SOURCES}