DS3232 Real-Time Clock with SRAM

The RTC driver provides time and date functionality. Also read and write
functions are provided that can be used to access the SRAM memory.

Required properties:
- compatible     : should contain "dallas,ds3232"
- reg            : the I2C RTC address

Example:

rtc@68 {
	compatible = "dallas,ds3232";
	reg = <0x68>;
};