[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-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index 5a781fd..4c749d4 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -129,10 +129,8 @@
 
 	for(i = 0; i < board_irq_count; i++) {
 		if(ex_interrupt & (1 << i))  {
-			struct irq_desc *cpld_desc;
 			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
-			cpld_desc = irq_desc + cpld_irq;
-			desc_handle_irq(cpld_irq, cpld_desc);
+			generic_handle_irq(cpld_irq);
 		}
 	}