spelling fixes: arch/sh/

Spelling fixes in arch/sh/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c
index 8c64baa..cc1cb04 100644
--- a/arch/sh/boards/superh/microdev/irq.c
+++ b/arch/sh/boards/superh/microdev/irq.c
@@ -100,7 +100,7 @@
 
 	fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
 
-	/* disable interupts on the FPGA INTC register */
+	/* disable interrupts on the FPGA INTC register */
 	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
 }
 
@@ -125,7 +125,7 @@
 	priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
 	ctrl_outl(priorities, priorityReg);
 
-	/* enable interupts on the FPGA INTC register */
+	/* enable interrupts on the FPGA INTC register */
 	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
 }
 
@@ -152,7 +152,7 @@
 {
 	int i;
 
-		/* disable interupts on the FPGA INTC register */
+		/* disable interrupts on the FPGA INTC register */
 	ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
 
 	for (i = 0; i < NUM_EXTERNAL_IRQS; i++)