[v2] cxl: fix build when CONFIG_DEBUG_FS=n

[Michael Ellerman]

On Wed, 2017-02-01 at 03:22:07 UTC, Andrew Donnellan wrote:
> Stub out the debugfs functions so that the build doesn't break when
> CONFIG_DEBUG_FS=n.
> 
> Reported-by: Michael Ellerman <mpe at ellerman.id.au>
> Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> Acked-by: Ian Munsie <imunsie at au1.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/39d40871526627fd0e2cfc1e2fb885

cheers