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>

arch/arm/plat-omap/dma.c

@@ -2132,7 +2132,7 @@ static int __init omap_init_dma(void)
 	if (cpu_class_is_omap2()) {
 		int irq;
 		if (cpu_is_omap44xx())
-			irq = INT_44XX_SDMA_IRQ0;
+			irq = OMAP44XX_IRQ_SDMA_0;
 		else
 			irq = INT_24XX_SDMA_IRQ0;
 		setup_irq(irq, &omap24xx_dma_irq);