[ARM] S3C64XX: Staticise s3c64xx_init_irq_eint()

It's an initcall and does not need to be exported.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

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

@@ -194,7 +194,7 @@ static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc)
 	s3c_irq_demux_eint(20, 27);
 }
 
-int __init s3c64xx_init_irq_eint(void)
+static int __init s3c64xx_init_irq_eint(void)
 {
 	int irq;