[PATCH] MAINTAINERS: update Shawn's email to use kernel.org one

[Arnd Bergmann]

On Saturday 16 May 2015 21:32:35 shawnguo at kernel.org wrote:
> From: Shawn Guo <shawn.guo at linaro.org>
> 
> Update my email address to use kernel.org mailbox, so that emails
> between kernel community and company can be separated.
> 
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> 

Applied to the fixes branch, thanks!

	Arnd