sandbox: remove CONFIG_DM_I2C_COMPAT from defconfigs

There are no more "real" users of CONFIG_DM_I2C_COMPAT and we'll soon
remove it altogether. Stop building it in sandbox mode.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Heiko Schocher <hs@denx.de>
7 files changed