soc/intel/cmn/fast_spi: Add API to set SPI controller VCL

This patch creates a helper function to set SPI controller VCL bit as
recommended by Intel Flash Security Specification.

BUG=b:211954778
TEST=Able to build google/brya and verified that SPI flash controller
MMIO register 0xC4 bit 30 is set.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Ie9a12db1bab81779fd8e7db90221d08da3c65011
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63626
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>

0 files changed, 0 insertions, 0 deletions