security/intel/txt: Correct reporting of chipset production fuse state

Implement the chipset production fuse state reporting as described in
the Intel TXT Software Development Guide. Also fix all occurrences
where the production fuse state is checked.

TEST=Dell OptiPlex 9010 with i7-3770/Q77 reports the chipset is
production fused

Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: Ic86c5a9e1d162630a1cf61435d1014edabf104b0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59514
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/security/intel/txt/txt.h b/src/security/intel/txt/txt.h
index e1a78af542..63ac91c887 100644
--- a/src/security/intel/txt/txt.h
+++ b/src/security/intel/txt/txt.h
@@ -23,6 +23,7 @@ void intel_txt_log_bios_acm_error(void);
 int intel_txt_log_acm_error(const uint32_t acm_error);
 void intel_txt_log_spad(void);
 bool intel_txt_memory_has_secrets(void);
+bool intel_txt_chipset_is_production_fused(void);
 void intel_txt_run_sclean(void);
 int intel_txt_run_bios_acm(const u8 input_params);
 bool intel_txt_prepare_txt_env(void);