Along with upstream kernel for Retimer firmware update, coreboot changes
the ec_retimer_fw_update format. This change removes this API and will
add implementation later once the dependent definition is complete.
BUG=b:186521258
TEST=Build image successfully.
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: I2d074b84fb3cb87b443871104b72b6c316af5279
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52710
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
7d365be915