fix(scheduler): make PerCoreScheduler::scheduler private

Signed-off-by: Martin Kröning <[email protected]>

src/scheduler/mod.rs

@@ -550,7 +550,7 @@ impl PerCoreScheduler {
 
 	/// Triggers the scheduler to reschedule the tasks.
 	/// Interrupt flag must be cleared before calling this function.
-	pub fn scheduler(&mut self) -> Option<*mut usize> {
+	fn scheduler(&mut self) -> Option<*mut usize> {
 		// run background tasks
 		crate::executor::run();