[PATCH][V2] dmaengine: stm32-mdma: fix spelling mistake: "avalaible" -> "available"

[Vinod Koul]

On Sat, Apr 28, 2018 at 11:03:52PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> Trivial fix to spelling mistake in dev_err error message text and make
> channel plural.

Applied, thanks

-- 
~Vinod