Support for NXP's i.MX8QX SoC

NXP's i.MX8QX is an ARMv8 SoC with 4 Cortex-A35 cores and
system controller (Cortex-M4) inside, documentation can
be found in below link:

https://www.nxp.com/products/processors-and-microcontrollers/
applications-processors/i.mx-applications-processors/i.mx-8-processors:IMX8-SERIES

This patch adds support for booting up SMP linux kernel (v4.9).

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
diff --git a/plat/imx/imx8qx/platform.mk b/plat/imx/imx8qx/platform.mk
new file mode 100644
index 0000000..c16ce6e
--- /dev/null
+++ b/plat/imx/imx8qx/platform.mk
@@ -0,0 +1,35 @@
+#
+# Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+PLAT_INCLUDES		:=	-Iplat/imx/imx8qx/include		\
+				-Iplat/imx/common/include		\
+
+IMX_GIC_SOURCES	:=		drivers/arm/gic/v3/gicv3_helpers.c	\
+				drivers/arm/gic/v3/arm_gicv3_common.c	\
+				drivers/arm/gic/v3/gic500.c		\
+				drivers/arm/gic/v3/gicv3_main.c		\
+				drivers/arm/gic/common/gic_common.c	\
+				plat/common/plat_gicv3.c		\
+				plat/imx/common/plat_imx8_gic.c
+
+BL31_SOURCES		+=	plat/imx/common/lpuart_console.S	\
+				plat/imx/common/imx8_helpers.S		\
+				plat/imx/imx8qx/imx8qx_bl31_setup.c	\
+				plat/imx/imx8qx/imx8qx_psci.c		\
+				plat/imx/common/imx8_topology.c		\
+				lib/xlat_tables/xlat_tables_common.c	\
+				lib/xlat_tables/aarch64/xlat_tables.c	\
+				lib/cpus/aarch64/cortex_a35.S		\
+				drivers/console/aarch64/console.S	\
+				${IMX_GIC_SOURCES}			\
+
+include plat/imx/common/sci/sci_api.mk
+
+ENABLE_PLAT_COMPAT	:=	0
+USE_COHERENT_MEM	:=	1
+RESET_TO_BL31		:=	1
+ARM_GIC_ARCH		:=	3
+MULTI_CONSOLE_API	:=	1