powerpc/perf: Update raw-event code encoding comment for power8

Sat Jun 2 01:54:55 AEST 2018

On Tue, 2018-05-08 at 05:00:24 UTC, Madhavan Srinivasan wrote:
> Comment explanning the raw event code encoding for Power8 was
> moved to isa207_common.h file when re-factoring the code to
> support power9. But then Power9 pmu branched out due to changes
> specific to power9. So move the encoding comment back to power8-pmu.c
> Just comment movement and no logic change.
> 
> Fixes: 4d3576b20716 ('powerpc/perf: factor out power8 pmu macros and defines')
> Signed-off-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/458c70173daaaa823faeb5b4031bf8

cheers