hwmon: (w83781d) Match on device tree compatibles

I2C devices should match on the proper compatible string.
This is already used in one device tree in the kernel (MIPS)
so let's add the matches.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210729230543.2853485-2-linus.walleij@linaro.org


Signed-off-by: Guenter Roeck <linux@roeck-us.net>