ARM: OMAP2+: Make GPMC skip disabled devices

Currently, child nodes of the gpmc node are iterated and probed
regardless of their 'status' property. This means adding 'status =
"disabled";' has no effect.

This patch changes the iteration to only probe nodes marked as
available.

Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/gpmc.c

@@ -1615,7 +1615,7 @@ static int gpmc_probe_dt(struct platform_device *pdev)
 		return ret;
 	}
 
-	for_each_child_of_node(pdev->dev.of_node, child) {
+	for_each_available_child_of_node(pdev->dev.of_node, child) {
 
 		if (!child->name)
 			continue;