arm: gic-v3-its: Rename objects

The code accesses the gic-v3 node, but not the gic-v3-its node,
thus rename the objects to clarify which node it operates on.

The following commit will make use of the gic-v3-its node for real.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/gic-v3-its.c b/arch/arm/lib/gic-v3-its.c
index 2cc0a32..22fa46a 100644
--- a/arch/arm/lib/gic-v3-its.c
+++ b/arch/arm/lib/gic-v3-its.c
@@ -35,10 +35,10 @@
 	int ret;
 
 	ret = uclass_get_device_by_driver(UCLASS_IRQ,
-					  DM_DRIVER_GET(arm_gic_v3_its), &dev);
+					  DM_DRIVER_GET(arm_gic_v3), &dev);
 	if (ret) {
 		pr_err("%s: failed to get %s irq device\n", __func__,
-		       DM_DRIVER_GET(arm_gic_v3_its)->name);
+		       DM_DRIVER_GET(arm_gic_v3)->name);
 		return ret;
 	}
 
@@ -158,13 +158,13 @@
 	return 0;
 }
 
-static const struct udevice_id gic_v3_its_ids[] = {
+static const struct udevice_id gic_v3_ids[] = {
 	{ .compatible = "arm,gic-v3" },
 	{}
 };
 
-U_BOOT_DRIVER(arm_gic_v3_its) = {
+U_BOOT_DRIVER(arm_gic_v3) = {
 	.name		= "gic-v3",
 	.id		= UCLASS_IRQ,
-	.of_match	= gic_v3_its_ids,
+	.of_match	= gic_v3_ids,
 };