boards: firefly: roc_rk3568_pc: Fix SMP configuration

Fixes the build configuration

Signed-off-by: Jamie McCrae <[email protected]>

boards/firefly/roc_rk3568_pc/roc_rk3568_pc_rk3568_smp_defconfig

@@ -2,35 +2,14 @@
 # Copyright 2022 openEuler SIG-Zephyr
 # SPDX-License-Identifier: Apache-2.0
 
-# Platform Configuration
-CONFIG_SOC_SERIES_RK3568=y
-CONFIG_SOC_RK3568=y
-CONFIG_BOARD_ROC_RK3568_PC=y
-CONFIG_ARM_ARCH_TIMER=y
-
-# Serial Drivers
-CONFIG_SERIAL=y
-CONFIG_UART_NS16550=y
-CONFIG_UART_INTERRUPT_DRIVEN=y
-
-# Enable console
-CONFIG_CONSOLE=y
-CONFIG_UART_CONSOLE=y
-
 # SMP support
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=4
 CONFIG_MAX_THREAD_BYTES=4
 
 # ARMv8 NS world with cache management
-CONFIG_ARMV8_A_NS=y
-CONFIG_CACHE_MANAGEMENT=y
 CONFIG_DCACHE=y
 
 # PSCI support
 CONFIG_PM_CPU_OPS=y
 CONFIG_PM_CPU_OPS_PSCI=y
-
-# Clock support
-CONFIG_CLOCK_CONTROL=y
-CONFIG_TICKLESS_KERNEL=y