mm: kswapd inherit prio

When kswapd is awoken due to reclaim by a running task, set the priority of
kswapd to that of the calling task thus making memory reclaim cpu activity
affected by nice level.

-ck
power/abb_fg: don't spam kmsg
power/portlist: don't spam kmsg
Revert "mcde: sync with CoCore"

This reverts commit 7804d8b274c32e04d65cf34a147d4c91e86fb72d.
Revert "display-ws2401_dpi: test"

This reverts commit 9c42aa07757a68943744f0ee2c44833b90fb9cf8.
defconfig: SCHED_AUTOGROUP
sched: Avoid sched loadavg moire for 100Hz

==> http://ripke.com/loadavg/moire

Signed-off-by: cocafe <cocafehj@gmail.com>