power: supply: ab8500: Fix typo

fix misspelled 'interrupts'
Signed-off-by: Jian Xin <xinjian@yulong.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/ab8500_fg.c

@@ -59,7 +59,7 @@
 	((y1) + ((((y2) - (y1)) * ((x) - (x1))) / ((x2) - (x1))));
 
 /**
- * struct ab8500_fg_interrupts - ab8500 fg interupts
+ * struct ab8500_fg_interrupts - ab8500 fg interrupts
  * @name:	name of the interrupt
  * @isr		function pointer to the isr
  */