[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-pxa/gpio.c b/arch/arm/mach-pxa/gpio.c
index 07acc1b..e92bec5 100644
--- a/arch/arm/mach-pxa/gpio.c
+++ b/arch/arm/mach-pxa/gpio.c
@@ -275,7 +275,7 @@
 			loop = 1;
 
 			n = PXA_GPIO_IRQ_BASE + bit;
-			desc_handle_irq(n, irq_desc + n);
+			generic_handle_irq(n);
 
 			bit = find_next_bit(gedr, GEDR_BITS, bit + 1);
 		}