Clarify CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW in Kconfig

This is a "hex" prompt but the default value was given as an int.
Switch the default to hex (0x0) and remove the defconfigs that were
using the default, but as hex before.

Signed-off-by: Tom Rini <trini@konsulko.com>
7 files changed