Input: cyapa - add gen6 device module support

Based on the cyapa core, add support for basic functionality of the gen6
trackpad devices. The driver can automatically determine what protocol
(gen3, gen5, or gen6) should be used with the attached trackpad device.

Signed-off-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --cc drivers/input/mouse/Makefile
Simple merge

diff --cc drivers/input/mouse/cyapa.c
Simple merge

diff --cc drivers/input/mouse/cyapa.h
Simple merge

diff --cc drivers/input/mouse/cyapa_gen5.c
Simple merge

diff --cc drivers/input/mouse/cyapa_gen6.c
Simple merge