Constant SPI_BOOT_CRYPT_CNT 

pub const SPI_BOOT_CRYPT_CNT: EfuseField;

Available on crate feature unstable only.

Set this bit to enable SPI boot encrypt/decrypt. Odd number of 1: enable. even number of 1: disable {0: “Disable”; 1: “Enable”; 3: “Disable”; 7: “Enable”}