What:		/sys/devices/.../is_protected
Date:		Jun 2021
Contact:	Tomas Winkler <tomas.winkler@intel.com>
Description:
		The /sys/devices/.../is_protected attribute allows the user
		space to check if the intel-spi controller is write protected
		from the host.

What:		/sys/devices/.../bios_lock
Date:		Jun 2021
Contact:	Tomas Winkler <tomas.winkler@intel.com>
Description:
		The /sys/devices/.../bios_lock attribute allows the user
		space to check if the intel-spi controller is locked by bios
		for writes. It is possible to unlock the bios lock by writing
		"unlock" to the file.
