kunit: fix struct kunit_attr header

Add parameter descriptions to struct kunit_attr header for the
parameters attr_default and print.

Fixes: 39e92cb ("kunit: Add test attributes API structure")

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

Signed-off-by: Rae Moar <[email protected]>
Reviewed-by: David Gow <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

Author: rmr167

lib/kunit/attributes.c

@@ -30,6 +30,8 @@ enum print_ops {
  * attribute value
  * @filter: function to indicate whether a given attribute value passes a
  * filter
+ * @attr_default: default attribute value used during filtering
+ * @print: value of enum print_ops to indicate when to print attribute
  */
 struct kunit_attr {
 	const char *name;