Input: synaptics - gate forcepad support by DMI check

commit aa972409951e0675e07918620427517cad5090e0 upstream.

Unfortunately, ForcePad capability is not actually exported over PS/2, so
we have to resort to DMI checks.

Reported-by: Nicole Faerber <nicole.faerber@kernelconcepts.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@huawei.com>
2 files changed