[PATCH 1/2] rtc: add rtc-m41t80 driver (take 3)

This is a new-style i2c driver for ST M41T80 series RTC chip, derived from works by Alexander Bigga <[EMAIL PROTECTED]> who wrote the original rtc-m41txx.c based on drivers/i2c/chips/m41t00.c driver. This driver supports M41T8[0-4] and M41ST8[457]. The old m41t00 driver supports M41T00, M41T81

[PATCH 1/2] rtc: add rtc-m41t80 driver (take 3)

This is a new-style i2c driver for ST M41T80 series RTC chip, derived from works by Alexander Bigga [EMAIL PROTECTED] who wrote the original rtc-m41txx.c based on drivers/i2c/chips/m41t00.c driver. This driver supports M41T8[0-4] and M41ST8[457]. The old m41t00 driver supports M41T00, M41T81 and