arm64: Kconfig: Enable HOTPLUG_SMT

Enable HOTPLUG_SMT for SMT control.

Reviewed-by: Jonathan Cameron <[email protected]>
Reviewed-by: Pierre Gondois <[email protected]>
Reviewed-by: Dietmar Eggemann <[email protected]>
Signed-off-by: Yicong Yang <[email protected]>
Reviewed-by: Sudeep Holla <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Catalin Marinas <[email protected]>

arch/arm64/Kconfig

@@ -250,6 +250,7 @@ config ARM64
 	select HAVE_KRETPROBES
 	select HAVE_GENERIC_VDSO
 	select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
+	select HOTPLUG_SMT if HOTPLUG_CPU
 	select IRQ_DOMAIN
 	select IRQ_FORCED_THREADING
 	select KASAN_VMALLOC if KASAN