nvram: print no error message when nvram is not set as pstore backend

[Michael Ellerman]

On Mon, 2015-11-05 at 08:23:43 UTC, Hari Bathini wrote:
> Pstore only supports one backend at a time. The preferred
> pstore backend is set by passing the pstore.backend=<name>
> argument to the kernel at boot time. Currently, while trying
> to register with pstore, nvram throws an error message even
> when "pstore.backend != nvram", which is unnecessary. This
> patch removes the error message in case "pstore.backend != nvram".
> 
> Signed-off-by: Hari Bathini <hbathini at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/74943dab6b155b1a9d40

cheers