devres: typo fix s/dev/devm/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

kernel/irq/devres.c

@@ -81,7 +81,7 @@ EXPORT_SYMBOL(devm_request_threaded_irq);
  *	Except for the extra @dev argument, this function takes the
  *	same arguments and performs the same function as free_irq().
  *	This function instead of free_irq() should be used to manually
- *	free IRQs allocated with dev_request_irq().
+ *	free IRQs allocated with devm_request_irq().
  */
 void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id)
 {