[ARM] S3C64XX: Correct the EINT IRQ type configuration

Select the correct EINT configuration register when configuring
the external interrupt level/edge type.
Signed-off-by: NMatt Hsu <matt_hsu@openmoko.org>
[ben-linux@fluff.org: description improvement]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

arch/arm/plat-s3c64xx/irq-eint.c

@@ -82,7 +82,7 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
 	if (offs > 27)
 		return -EINVAL;
 
-	if (offs > 15)
+	if (offs <= 15)
 		reg = S3C64XX_EINT0CON0;
 	else
 		reg = S3C64XX_EINT0CON1;