omap: Fix setting omap_irq_base for 2430

We need to test for 24xx not 242x. Otherwise interrupts won't work.

Reported-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 98043855..5347741 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -320,7 +320,7 @@
 	extern void __iomem *omap_irq_base;
 
 #ifdef MULTI_OMAP2
-	if (cpu_is_omap242x())
+	if (cpu_is_omap24xx())
 		omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP24XX_IC_BASE);
 	else if (cpu_is_omap34xx())
 		omap_irq_base = OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE);