post_code: add post code for critical CBFS failures

Add a new post code POST_INVALID_CBFS, used when coreboot fails to
locate or validate a resource that is stored in CBFS.

TEST=build coreboot for sarien and arcada platforms

Change-Id: If1c8b92889040f9acd6250f847db02626809a987
Signed-off-by: Keith Short <>
Tested-by: build bot (Jenkins) <>
Reviewed-by: Patrick Rudolph <>
diff --git a/Documentation/POSTCODES b/Documentation/POSTCODES
index 2340fac..162e863 100644
--- a/Documentation/POSTCODES
+++ b/Documentation/POSTCODES
@@ -17,6 +17,7 @@
 0x88 Devices have been configured
 0x89 Devices have been enabled
 0xe0 Boot media (e.g. SPI ROM) is corrupt
+0xe1 Resource stored within CBFS is corrupt
 0xf8 Entry into elf boot
 0xf3 Jumping to payload