boards: arm: add qemu_cortex_a53_smp

Support SMP and switch to booting from NS world

Signed-off-by: Peng Fan <peng.fan@nxp.com>

boards/arm/qemu_cortex_a53/qemu_cortex_a53_smp.dts

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ */
+
+#include "qemu_cortex_a53.dts"

boards/arm/qemu_cortex_a53/qemu_cortex_a53_smp.yaml

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+identifier: qemu_cortex_a53_smp
+name: QEMU Emulation for Cortex-A53 SMP
+type: qemu
+simulation: qemu
+arch: arm
+toolchain:
+  - zephyr
+  - cross-compile
+ram: 128
+testing:
+  default: true
+  ignore_tags:
+    - net
+    - bluetooth

boards/arm/qemu_cortex_a53/qemu_cortex_a53_smp_defconfig

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+CONFIG_SOC_QEMU_CORTEX_A53=y
+CONFIG_BOARD_QEMU_CORTEX_A53=y
+CONFIG_ARM_ARCH_TIMER=y
+CONFIG_XIP=n
+CONFIG_QEMU_ICOUNT=n
+
+# Enable UART driver
+CONFIG_SERIAL=y
+
+# Enable console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# PSCI is supported
+CONFIG_PM_CPU_OPS=y
+CONFIG_PM_CPU_OPS_PSCI=y
+
+# Enable serial port
+CONFIG_UART_PL011=y
+CONFIG_UART_PL011_PORT0=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+CONFIG_SMP=y
+CONFIG_MP_NUM_CPUS=2
+CONFIG_CACHE_MANAGEMENT=y
+CONFIG_TIMEOUT_64BIT=y
+CONFIG_ARMV8_A_NS=y