MAINTAINERS: Update cxl maintainers

[Michael Ellerman]

On Fri, 2016-16-09 at 04:28:44 UTC, Michael Neuling wrote:
> Fred has taken over the cxl maintenance I was doing.  This updates the
> MAINTAINERS file to reflect this.
> 
> It also removes a duplicate entry in the files covered.
> 
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> Reviewed-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> Reviewed-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> Acked-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/9d82fd2fae925efdf546cc25af

cheers