build(intel): define a macro for SIMICS build

SIMICS builds have different UART configurations compared
to hardware build. Hence, this patch defines a macro to
differentiate between both.

Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: Iadecd5445e06611486ac3c6a214a6d0dc8ccd27b
diff --git a/plat/intel/soc/agilex/platform.mk b/plat/intel/soc/agilex/platform.mk
index f7554c6..92b7754 100644
--- a/plat/intel/soc/agilex/platform.mk
+++ b/plat/intel/soc/agilex/platform.mk
@@ -1,6 +1,6 @@
 #
-# Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
-# Copyright (c) 2019-2020, Intel Corporation. All rights reserved.
+# Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -73,4 +73,5 @@
 BL2_AT_EL3			:= 1
 BL2_INV_DCACHE			:= 0
 MULTI_CONSOLE_API		:= 1
+SIMICS_BUILD			:= 0
 USE_COHERENT_MEM		:= 1