cpufreq: make cpufreq_boost_enabled() return bool

Since this function is supposed to return boost_enabled which is anyway
a bool type make sure that it's return value is also marked as bool.
This helps maintain better consistency in data types being used.

Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20240627060117.1809477-1-d-gole@ti.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: DhruvaG2000

drivers/cpufreq/cpufreq.c

@@ -2873,7 +2873,7 @@ int cpufreq_enable_boost_support(void)
 }
 EXPORT_SYMBOL_GPL(cpufreq_enable_boost_support);
 
-int cpufreq_boost_enabled(void)
+bool cpufreq_boost_enabled(void)
 {
 	return cpufreq_driver->boost_enabled;
 }

include/linux/cpufreq.h

@@ -785,7 +785,7 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf);
 
 #ifdef CONFIG_CPU_FREQ
 int cpufreq_boost_trigger_state(int state);
-int cpufreq_boost_enabled(void);
+bool cpufreq_boost_enabled(void);
 int cpufreq_enable_boost_support(void);
 bool policy_has_boost_freq(struct cpufreq_policy *policy);
 
@@ -1164,9 +1164,9 @@ static inline int cpufreq_boost_trigger_state(int state)
 {
 	return 0;
 }
-static inline int cpufreq_boost_enabled(void)
+static inline bool cpufreq_boost_enabled(void)
 {
-	return 0;
+	return false;
 }
 
 static inline int cpufreq_enable_boost_support(void)