rtc: ab8500: Simplify driver_data handling
Instead of hiding the rtc ops for the only supported device behind an
abstraction for multi-device support, hardcode the used ops which gets rid
of the need to call platform_get_device_id and two casts.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/a909d3c59d00756130ac16051ceedbec0ce9cec7.1779950275.git.u.kleine-koenig@baylibre.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>