Second Round of LTSI-v4.9 Early Preparation for Renesas SoCs

Base:
* v4.9-rc9
* "Renesas SoCs and Drivers to next-20161028"

Backports of the following components to their standard as of next-20161205:

*  adv7511              (driver)
*  cpg                  (driver)
*  gen3                 (ARM64 SoC Integration)
*  gpio-keys            (driver)
*  gpio-regulator       (driver)
*  gpiolib              (driver infrastructure)
*  mach-shmobile        (ARM32 SoC Integration)
*  pinctrl              (driver)
*  ravb                 (driver)
*  rcar-dmac            (driver)
*  rcar-du              (driver)
*  rcar-rst             (driver)
*  rcar-snd             (driver)
*  renesas-soc-id       (driver)
*  rspi                 (driver)
*  sh-eth               (driver)
*  sh-mobile-sdhi       (driver)
*  sh-msiof             (driver)
*  sh-pfc               (driver)
*  sh-sci               (driver)
*  smsc911x             (driver)
*  sysc                 (driver)
*  usbhs                (driver)
*  vsp1                 (driver)
*  wm8978               (driver)
*  xhci-plat            (driver)
*  xhci-rcar            (driver)

Limited backport of the following to provide dependencies for the above:
*  soc-device-match
Merge tags 'backport/v4.9-rc3/adv7511-to-next-20161205', 'backport/v4.9-rc3/gpio-keys-to-next-20161205', 'backport/v4.9-rc3/gpio-regulator-to-next-20161205', 'backport/v4.9-rc3/gpiolib-to-next-20161205', 'backport/v4.9-rc3/pinctrl-to-next-20161205', 'backport/v4.9-rc3/ravb-to-next-20161205', 'backport/v4.9-rc3/rcar-dmac-to-next-20161205', 'backport/v4.9-rc3/rcar-du-to-next-20161205', 'backport/v4.9-rc3/rcar-snd-to-next-20161205', 'backport/v4.9-rc3/rspi-to-next-20161205', 'backport/v4.9-rc3/sh-eth-to-next-20161205', 'backport/v4.9-rc3/sh-mobile-sdhi-to-next-20161205', 'backport/v4.9-rc3/sh-msiof-to-next-20161205', 'backport/v4.9-rc3/sh-pfc-to-next-20161205', 'backport/v4.9-rc3/sh-sci-to-next-20161205', 'backport/v4.9-rc3/smsc911x-to-next-20161205', 'backport/v4.9-rc3/usbhs-to-next-20161205', 'backport/v4.9-rc3/vsp1-to-next-20161205', 'backport/v4.9-rc3/wm8978-to-next-20161205' and 'backport/v4.9-rc3/xhci-plat-to-next-20161205' into backport/v4.9-rc8/snapshot