Pull input fixes from Dmitry Torokhov:
"We are switching a bunch of Lenovo devices with Synaptics touchpads
from PS/2 emulation over to native RMI/SMbus.
Given that all commits are marked for stable there is no point
delaying them till next release"
[ Also fix a too-small stack array for i2c communication in elan driver ]
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c_smbus - fix corrupted stack
Input: synaptics - add Lenovo 80 series ids to SMBus
Input: synaptics - add Intertouch support on X1 Carbon 6th and X280
Input: synaptics - Lenovo Thinkpad X1 Carbon G5 (2017) with Elantech trackpoints should use RMI
Input: synaptics - Lenovo Carbon X1 Gen5 (2017) devices should use RMI
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