device property: add spaces to PROPERTY_ENTRY_STRING macro

Just a style fix, no functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/include/linux/property.h b/include/linux/property.h
index b8c4e42..b51fcd36 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -230,7 +230,7 @@
 	.name = _name_,					\
 	.length = sizeof(_val_),			\
 	.is_string = true,				\
-	{ .value = {.str = _val_} },			\
+	{ .value = { .str = _val_ } },			\
 }
 
 #define PROPERTY_ENTRY_BOOL(_name_)		\