[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-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c
index 551b972..3d7bd50 100644
--- a/arch/arm/mach-lh7a40x/arch-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c
@@ -77,7 +77,7 @@
 	irq = IRQ_KEV7A400_CPLD;
 	for (; mask; mask >>= 1, ++irq)
 		if (mask & 1)
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 }
 
 void __init lh7a40x_init_board_irq (void)