soc/intel/apollolake: remove southbridge_clear_smi_status()

The southbridge_clear_smi_status() is not used. Remove it.

Change-Id: Ia358c6aca93630753ac4b59b6fc86b1ea1eb9ca6
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/19599
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2 files changed