misc: fsa9480: Delete this driver

The FSA9480 has a new driver more appropriately located
in the drivers/extcon subsystem. It is also more complete
and includes device tree support. Delete the old misc
driver.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Pawe Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://lore.kernel.org/r/20190630140302.16245-1-linus.walleij@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>