[PATCH] mtd: Fix switch-bool compilation warning

[Brian Norris]

On Tue, Aug 04, 2015 at 09:00:24PM -0700, Tomer Barletz wrote:
> With gcc 5.1 I get:
> warning: switch condition has boolean value [-Wswitch-bool]
> 
> Signed-off-by: Tomer Barletz <barletz at gmail.com>

Applied to l2-mtd.git