tree-wide: fix typos "couter" -> "counter"

This patch was generated by

	git grep -E -i -l 'couter' | xargs -r perl -p -i -e 's/couter/counter/'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index ddccf5f..075eedc 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3238,7 +3238,7 @@
 
 /**
  *  s2io_chk_xpak_counter - Function to check the status of the xpak counters
- *  @counter      : couter value to be updated
+ *  @counter      : counter value to be updated
  *  @flag         : flag to indicate the status
  *  @type         : counter type
  *  Description:
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 654daa3..5f23eca 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -215,7 +215,7 @@
 	}
 
 	prof = &dasd_global_profile;
-	/* prevent couter 'overflow' on output */
+	/* prevent counter 'overflow' on output */
 	for (factor = 1; (prof->dasd_io_reqs / factor) > 9999999;
 	     factor *= 10);
 
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 114e704..abd4fb7 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -230,7 +230,7 @@
 		/*
 		 * If we are seeing only the odd spurious IRQ caused by
 		 * bus asynchronicity then don't eventually trigger an error,
-		 * otherwise the couter becomes a doomsday timer for otherwise
+		 * otherwise the counter becomes a doomsday timer for otherwise
 		 * working systems
 		 */
 		if (time_after(jiffies, desc->last_unhandled + HZ/10))
diff --git a/sound/synth/emux/soundfont.c b/sound/synth/emux/soundfont.c
index 63c8f45..67c9123 100644
--- a/sound/synth/emux/soundfont.c
+++ b/sound/synth/emux/soundfont.c
@@ -374,7 +374,7 @@
 
 
 /*
- * increment sample couter
+ * increment sample counter
  */
 static void
 set_sample_counter(struct snd_sf_list *sflist, struct snd_soundfont *sf,