input: misc: Add ff-memless based driver for isa1200

Support isa1200, vibrator chip, with ff-memless based framework.

Change-Id: I8d25bb4d14325e0b0289927a6a54087cc155e2ab
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
[sboyd: Removed makefile entry because it was missing on 3.4]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>