[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-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 86369a8..3093d46 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -122,14 +122,12 @@
 		GEDR = mask;
 
 		irq = IRQ_GPIO11;
-		desc = irq_desc + irq;
 		mask >>= 11;
 		do {
 			if (mask & 1)
-				desc_handle_irq(irq, desc);
+				generic_handle_irq(irq);
 			mask >>= 1;
 			irq++;
-			desc++;
 		} while (mask);
 
 		mask = GEDR & 0xfffff800;