intel_idle: Build fix

Because CONFIG_ soup.

Fixes: 6e1d2bc ("intel_idle: Fix intel_idle() vs tracing")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201130115402.GO3040@hirez.programming.kicks-ass.net

Author: Peter Zijlstra

drivers/idle/intel_idle.c

@@ -1140,6 +1140,20 @@ static bool __init intel_idle_max_cstate_reached(int cstate)
 	return false;
 }
 
+static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state)
+{
+	unsigned long eax = flg2MWAIT(state->flags);
+
+	if (boot_cpu_has(X86_FEATURE_ARAT))
+		return false;
+
+	/*
+	 * Switch over to one-shot tick broadcast if the target C-state
+	 * is deeper than C1.
+	 */
+	return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK);
+}
+
 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
 #include <acpi/processor.h>
 
@@ -1210,20 +1224,6 @@ static bool __init intel_idle_acpi_cst_extract(void)
 	return false;
 }
 
-static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state)
-{
-	unsigned long eax = flg2MWAIT(state->flags);
-
-	if (boot_cpu_has(X86_FEATURE_ARAT))
-		return false;
-
-	/*
-	 * Switch over to one-shot tick broadcast if the target C-state
-	 * is deeper than C1.
-	 */
-	return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK);
-}
-
 static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv)
 {
 	int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count);