MIPS: SMP: Allow suspend and hibernation if CPU hotplug is available

The SMP implementation of suspend and hibernate depends on CPU hotplugging.
In the past we didn't have CPU hotplug so suspend and hibernation were not
possible on SMP systems.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -2145,11 +2145,11 @@ menu "Power management options"
 
 config ARCH_HIBERNATION_POSSIBLE
 	def_bool y
-	depends on !SMP
+	depends on SYS_SUPPORTS_HOTPLUG_CPU
 
 config ARCH_SUSPEND_POSSIBLE
 	def_bool y
-	depends on !SMP
+	depends on SYS_SUPPORTS_HOTPLUG_CPU
 
 source "kernel/power/Kconfig"