xen/xenbus: fixup checkpatch issues in xenbus_probe*

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 84bf17b..554ed57 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -72,7 +72,7 @@
 
 config XEN_XENBUS_FRONTEND
        tristate
-	  
+
 config XEN_PLATFORM_PCI
 	tristate "xen platform pci device driver"
 	depends on XEN_PVHVM