hwmon: (it87) Disable configuration exit for certain chips

IT8790E and IT8792E/IT8795E have been identified as chips that can have
issues when disabling configuration mode.

Set to never exit configuration mode.

Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230128060308.1549707-3-frank@crawford.emu.id.au


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