post_code: add post code for invalid vendor binary

Add a new post code POST_INVALID_VENDOR_BINARY, used when coreboot fails
to locate or validate a vendor supplied binary.

BUG=b:124401932
BRANCH=sarien
TEST=build coreboot for sarien and arcada platforms

Change-Id: Ib1e359d4e8772c37922b1b779135e58c73bff6b4
Signed-off-by: Keith Short <keithshort@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32772
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
diff --git a/src/drivers/intel/fsp2_0/memory_init.c b/src/drivers/intel/fsp2_0/memory_init.c
index b3afb98..449b57d 100644
--- a/src/drivers/intel/fsp2_0/memory_init.c
+++ b/src/drivers/intel/fsp2_0/memory_init.c
@@ -277,7 +277,8 @@
 	upd = (FSPM_UPD *)(hdr->cfg_region_offset + hdr->image_base);
 
 	if (upd->FspUpdHeader.Signature != FSPM_UPD_SIGNATURE)
-		die("Invalid FSPM signature!\n");
+		die_with_post_code(POST_INVALID_VENDOR_BINARY,
+			"Invalid FSPM signature!\n");
 
 	/* Copy the default values from the UPD area */
 	memcpy(&fspm_upd, upd, sizeof(fspm_upd));
@@ -290,7 +291,8 @@
 	/* Fill common settings on behalf of chipset. */
 	if (fsp_fill_common_arch_params(arch_upd, s3wake, fsp_version,
 					memmap) != CB_SUCCESS)
-		die("FSPM_ARCH_UPD not found!\n");
+		die_with_post_code(POST_INVALID_VENDOR_BINARY,
+			"FSPM_ARCH_UPD not found!\n");
 
 	/* Give SoC and mainboard a chance to update the UPD */
 	platform_fsp_memory_init_params_cb(&fspm_upd, fsp_version);