powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages

[Michael Ellerman]

On Wed, 2016-13-01 at 01:04:32 UTC, Russell Currey wrote:
> The recently added OPAL API call, OPAL_CONSOLE_FLUSH, originally took no
> parameters and returned nothing.  The call was updated to accept the
> terminal number to flush, and returned various values depending on the
> state of the output buffer.
> 
> The prototype has been updated and its usage in the OPAL kmsg dumper has
> been modified to support its new behaviour as an incremental flush.
> 
> Signed-off-by: Russell Currey <ruscur at russell.cc>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/c88c5d43732a0356f99e5e4d1a

cheers