extcon: palmas: Added a new compatible type *ti,palmas-usb-vid*

The Palmas device contains only a USB VBUS-ID detector, so added a
compatible type *ti,palmas-usb-vid*. Didn't remove the existing compatible
types for backward compatibility.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>