FVP: Stop reclaiming init code with Clang builds

The reclaim init code functionality relies on forward reference in the
linker script. The LLVM linker does not process it correctly.

Change-Id: I993aeb9587bfa07af25b60ed823a6a2c5e970c94
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com>

plat/arm/board/fvp/platform.mk

 #
-# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -245,10 +245,12 @@ ENABLE_AMU			:=	1
 DYNAMIC_WORKAROUND_CVE_2018_3639	:=	1
 
 # Enable reclaiming of BL31 initialisation code for secondary cores
-# stacks for FVP.
+# stacks for FVP. However, don't enable reclaiming for clang.
 ifneq (${RESET_TO_BL31},1)
+ifeq ($(findstring clang,$(notdir $(CC))),)
 RECLAIM_INIT_CODE	:=	1
 endif
+endif
 
 ifeq (${ENABLE_AMU},1)
 BL31_SOURCES		+=	lib/cpus/aarch64/cpuamu.c		\