mx35pdk: Add RTC support

MX35PDK has an MC13892 PMIC. Add RTC support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Tested-by: Stefano Babic <sbabic@denx.de>
1 file changed