Merge tag 'renesas-fixes-for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Renesas ARM Based SoC Fixes for v4.6

* Correct preset_lpj calculation which may lead to too short delays
* Correct handling of optional clocks on r8a7791 to restore
  access to the serial port the porter board

This is a backmerge of v4.6 fixes, to avoid a merge conflict between 4.6
and our next/dt branch.

* tag 'renesas-fixes-for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: timer: Fix preset_lpj leading to too short delays
  Revert "ARM: dts: porter: Enable SCIF_CLK frequency and pins"
  ARM: dts: r8a7791: Don't disable referenced optional clocks