configs/imx93-evk_defconfig: include EdgeLock firmware in boot image The defconfig had the EdgeLock firmware enabled, but it was not passed to U-boot so not included in the flash.bin boot file. Fix that. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>