Input: isa1200 - new driver for Imagis ISA1200

The ISA1200 is a haptic feedback unit from Imagis Technology using two
motors for haptic feedback in mobile phones. Used in many mobile devices
c. 2012 including Samsung Galxy S Advance GT-I9070 (Janice), Samsung Beam
GT-I8350 (Gavini), LG Optimus 4X P880 and LG Optimus Vu P895.

The exact datasheet for the ISA1200 is not available; all data was modeled
based on available downstream kernel sources for various devices and
fragments of information scattered across the internet.

Tested-by: Linus Walleij <linusw@kernel.org> # GT-I9070 Janice
Signed-off-by: Linus Walleij <linusw@kernel.org>
Co-developed-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://patch.msgid.link/20260617070528.35006-3-clamor95@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>