watchdog: iTCO_wdt: Add support for v3 silicon
(bnc#908012,FATE#317358).

suse-commit: 3d9339c6e178a2b0e41a3292274c5c82027b4401
mfd: lpc_ich: Add support for iTCO v3 (bnc#908012,FATE#317358).

suse-commit: 14c376fdfef826eb9b424e24bd7336d9a1d4543f
mfd: lpc_ich: Change Avoton to iTCO v3 (bnc#908012,FATE#317358).

suse-commit: bfeaa441fcf271a217aa428f76055dce0c31655a
mfd: lpc_ich: Add support for Intel Bay Trail SoC
(bnc#908012,FATE#317358).

suse-commit: a8440ac065ca87529774627f49ab8af1f0961c77