armv8: apple: Disable PSCI reset

Apple's ARMv8 cores don't implement EL3 and therefore don't
provide a PSCI implementation.  So don't attempt to use
PSCI to reset on machines using Apple SoCs.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
diff --git a/arch/arm/cpu/armv8/Kconfig b/arch/arm/cpu/armv8/Kconfig
index 0a3fdfa..9967376 100644
--- a/arch/arm/cpu/armv8/Kconfig
+++ b/arch/arm/cpu/armv8/Kconfig
@@ -102,7 +102,7 @@
 	bool "Use PSCI for reset and shutdown"
 	default y
 	select ARM_SMCCC if OF_CONTROL
-	depends on !ARCH_EXYNOS7 && !ARCH_BCM283X && \
+	depends on !ARCH_APPLE && !ARCH_BCM283X && !ARCH_EXYNOS7 && \
 		   !TARGET_LS2080AQDS && \
 		   !TARGET_LS2080ARDB && !TARGET_LS2080A_EMU && \
 		   !TARGET_LS1088ARDB && !TARGET_LS1088AQDS && \