security/intel/cbnt: Add logging

This decodes and logs the CBnT status and error registers.

Change-Id: I8b57132bedbd944b9861ab0e2e0d14723cb61635
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54093
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/security/intel/cbnt/Makefile.inc b/src/security/intel/cbnt/Makefile.inc
index 9ade1cd..cc18b20 100644
--- a/src/security/intel/cbnt/Makefile.inc
+++ b/src/security/intel/cbnt/Makefile.inc
@@ -1,5 +1,6 @@
 ifeq ($(CONFIG_INTEL_CBNT_SUPPORT),y)
 
+all-y += logging.c
 ramstage-y += cmos.c
 
 # As specified in Intel Trusted Execution Technology and Boot Guard Server BIOS