ccimx8x: prohibit dey-image-qt from building when trustfence is enabled

The message log level is "fatal" so the compilation ends as soon as possible.

Signed-off-by: Gabriel Valcazar <gabriel.valcazar@digi.com>

meta-digi-dey/classes/trustfence.bbclass

@@ -36,6 +36,10 @@ python () {
     import hashlib
     import os
 
+    if ("ccimx8x" in d.getVar("MACHINE", True)):
+        bb.fatal("Trustfence is not currently supported on the ccimx8x SOM")
+        return
+
     # Secure console configuration
     if (d.getVar("TRUSTFENCE_CONSOLE_DISABLE", True) == "1"):
         d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_CONSOLE_DISABLE=y ")