mmc-utils: Add secure write-protect mode enable/disable

Allow toggling the SECURE_WP_EN field in the SECURE_WP_MODE_ENABLE part
of Device Configuration area.  Access to the Device Configuration area
is regulated via Authenticated Device Configuration write request.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250407082833.108616-8-avri.altman@sandisk.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
3 files changed