ARM: socfpga: dts: add eeprom and rtc on i2c0

The Altera Cyclone5 and Arria5 devkit has an EEPROM and a RTC on the
board. This patch adds support for them.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
---
v2: Remove LCD as the driver has not been upstreamed.

diff --cc arch/arm/boot/dts/socfpga_arria5_socdk.dts
Simple merge

diff --cc arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
Simple merge