cmd: Kconfig: Do not include EEPROM if DM_I2C is used without DM_I2C_COMPAT

The implementation of the EEPROM commands does not support the DM I2C API.
Prevent compilation breakage by not enabling it if the non-DM API is not
available (if DM_I2C is used without DM_I2C_COMPAT)

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>