c6f2594c4b
Basic emulation of the M41T80 serial (I2C) RTC chip. Only getting time of day is implemented. Setting time and RTC alarm are not supported. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>