cpufreq: schedutil: Use unsigned int for iowait boost

Make iowait_boost and iowait_boost_max as unsigned int since its unit
is kHz and this is consistent with struct cpufreq_policy.  Also change
the local variables in sugov_iowait_boost() to match this.
Signed-off-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

kernel/sched/cpufreq_schedutil.c

@@ -54,8 +54,8 @@ struct sugov_cpu {
 	struct sugov_policy *sg_policy;
 
 	bool iowait_boost_pending;
-	unsigned long iowait_boost;
-	unsigned long iowait_boost_max;
+	unsigned int iowait_boost;
+	unsigned int iowait_boost_max;
 	u64 last_update;
 
 	/* The fields below are only needed when sharing a policy. */
@@ -196,7 +196,7 @@ static void sugov_set_iowait_boost(struct sugov_cpu *sg_cpu, u64 time,
 static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, unsigned long *util,
 			       unsigned long *max)
 {
-	unsigned long boost_util, boost_max;
+	unsigned int boost_util, boost_max;
 
 	if (!sg_cpu->iowait_boost)
 		return;