rtc: stk17ta8: use generic nvmem

Instead of adding a binary sysfs attribute from the driver, use the core to
register an nvmem device.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-02-12 23:47:54 +01:00
commit d7ca4299d7