soc/intel/common/nvm: utilize spi_flash_ctrlr_protect_region()

Now that there is spi flash controller flash protection use that API
so the spi_flash_protect() API can be sunsetted since it was isolated
within the Intel code base.

BUG=b:69614064

Change-Id: I3908d0e3105b0ef9a0fbf4fc9426ac1be067f648
Signed-off-by: Aaron Durbn <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/22880
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
1 file changed