gpio/omap: consolidate IRQ status handling, remove #ifdefs

Cleanup IRQ status handling by passing IRQ status register offsets
via platform data.

Cleans up clearing of GPIO IRQ status and GPIO ISR handler.

Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index 268bccd..aedd732 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -180,6 +180,8 @@
 	u16 dataout;
 	u16 set_dataout;
 	u16 clr_dataout;
+	u16 irqstatus;
+	u16 irqstatus2;
 };
 
 struct omap_gpio_platform_data {