[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-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
index e373fb8..cb15e5d 100644
--- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
@@ -214,11 +214,11 @@
 	desc->chip->ack (irq);
 
 	if ((mask & (1<<0)) == 0)	/* WLAN */
-		IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT);
+		generic_handle_irq(IRQ_LPD7A40X_ETH_INT);
 
 #if defined (IRQ_TOUCH)
 	if ((mask & (1<<1)) == 0)	/* Touch */
-		IRQ_DISPATCH (IRQ_TOUCH);
+		generic_handle_irq(IRQ_TOUCH);
 #endif
 
 	desc->chip->unmask (irq); /* Level-triggered need this */