drm: omapdrm: Fix indentation of structure and array initializers

Indenting by one tab is enough.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

drivers/gpu/drm/omapdrm/omap_drv.c

@@ -621,8 +621,8 @@ static const struct file_operations omapdriver_fops = {
 };
 
 static struct drm_driver omap_drm_driver = {
-		.driver_features =
-				DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
+	.driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM
+			 | DRIVER_PRIME,
 	.load = dev_load,
 	.unload = dev_unload,
 	.open = dev_open,