irq: Fix some trivial typos in comments

Signed-off-by: NXie XiuQi <xiexiuqi@huawei.com>
[jkosina@suse.cz: fix 'explicitly', noticed by Randy Dunlap]
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

kernel/irq/chip.c

@@ -214,7 +214,7 @@ void irq_enable(struct irq_desc *desc)
 }
 
 /**
- * irq_disable - Mark interupt disabled
+ * irq_disable - Mark interrupt disabled
  * @desc:	irq descriptor which should be disabled
  *
  * If the chip does not implement the irq_disable callback, we

kernel/irq/manage.c

@@ -786,7 +786,7 @@ irq_forced_thread_fn(struct irq_desc *desc, struct irqaction *action)
 }
 
 /*
- * Interrupts explicitely requested as threaded interupts want to be
+ * Interrupts explicitly requested as threaded interrupts want to be
  * preemtible - many of them need to sleep and wait for slow busses to
  * complete.
  */