device.h: Fix struct member documentation

Fix warning of make xmldocs of documention of the struct member iommu_ops from struct bus_type.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/device.h b/include/linux/device.h
index ffbcf95..2b88320 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -69,7 +69,7 @@
  * @resume:	Called to bring a device on this bus out of sleep mode.
  * @pm:		Power management operations of this bus, callback the specific
  *		device driver's pm-ops.
- * @iommu_ops   IOMMU specific operations for this bus, used to attach IOMMU
+ * @iommu_ops:  IOMMU specific operations for this bus, used to attach IOMMU
  *              driver implementations to a bus and allow the driver to do
  *              bus-specific setup
  * @p:		The private data of the driver core, only the driver core can