The ISL12026 is a combination RTC and EEPROM device with I2C
interface.  The standard RTC driver interface is provided.  The EEPROM
is accessed via the NVMEM interface.
Reviewed-by: NRob Herring <robh@kernel.org>
Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: NDavid Daney <david.daney@cavium.com>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@bootlin.com>