treewide: typo 'interrrupt' word corrections.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 2ce2fb7..f56b1bd4 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -247,7 +247,7 @@
  * driver register and sr device intializtion API's. Only one call
  * will ultimately succeed.
  *
- * Currently this function registers interrrupt handler for a particular SR
+ * Currently this function registers interrupt handler for a particular SR
  * if smartreflex class driver is already registered and has
  * requested for interrupts and the SR interrupt line in present.
  */