omap4: Use irq line defines from irq-44xx.h

This patch removes all the omap4 specific irq line
defines from plat/irqs.h and includes auto-generated
irqs-44xx.h
All the legacy naming style defines are replaced with the one
from irqs-44xx.h

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: updated to compile with usb-musb.c]
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/timer-mpu.c b/arch/arm/mach-omap2/timer-mpu.c
index c1a650a..954682e 100644
--- a/arch/arm/mach-omap2/timer-mpu.c
+++ b/arch/arm/mach-omap2/timer-mpu.c
@@ -28,7 +28,7 @@
  */
 void __cpuinit local_timer_setup(struct clock_event_device *evt)
 {
-	evt->irq = INT_44XX_LOCALTIMER_IRQ;
+	evt->irq = OMAP44XX_IRQ_LOCALTIMER;
 	twd_timer_setup(evt);
 }