[ARM] 5298/1: Drop desc_handle_irq()

desc_handle_irq() was declared as obsolete since long ago.
Replace it with generic_handle_irq()

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index ac62b79..72159d3 100644
--- a/arch/arm/mach-s3c2412/irq.c
+++ b/arch/arm/mach-s3c2412/irq.c
@@ -123,10 +123,10 @@
 	subsrc  &= ~submsk;
 
 	if (subsrc & INTBIT(IRQ_S3C2412_SDI))
-		desc_handle_irq(IRQ_S3C2412_SDI, irq_desc + IRQ_S3C2412_SDI);
+		generic_handle_irq(IRQ_S3C2412_SDI);
 
 	if (subsrc & INTBIT(IRQ_S3C2412_CF))
-		desc_handle_irq(IRQ_S3C2412_CF, irq_desc + IRQ_S3C2412_CF);
+		generic_handle_irq(IRQ_S3C2412_CF);
 }
 
 #define INTMSK_CFSDI	(1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0))