mtd: sh_flctl: use devm_* managed allocators
mtd: sh_flctl: use devm_* managed allocators

This simplifies error and cleanup code paths.

Cc: David Woodhouse <97b3379caa91f4ee97e44013ae4dc6350540fa9d@infradead.org>
Cc: 2ac73971f34598a488b3485fa3007da7424bc12e@lists.infradead.org
Signed-off-by: Laurent Pinchart <ae960578cc5eca7b9b1dbc37d9caa6cb634f35e0@ideasonboard.com>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs