linux-phytec-fsl

keys: Be more consistent in selection of union members used

key->description and key->index_key.description are same because
they are unioned. But, for readability, using same name for
duplication and validation seems better.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>