rollback_index: Add disable-ccd-unlock FWMP flag

This flag will be used by cr50 to disable case-closed debugging
unlock.  Here, we're just defining the flag.

BUG=chrome-os-partner:62205
BRANCH=reef
TEST=build_packages --board=reef chromeos_firmware

Change-Id: If86e112948e1c95a767808b2f92dd8fe35abf46c
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/440846
Reviewed-by: Shelley Chen <shchen@chromium.org>
diff --git a/firmware/lib/include/rollback_index.h b/firmware/lib/include/rollback_index.h
index 5bed9f3..ef30c5a 100644
--- a/firmware/lib/include/rollback_index.h
+++ b/firmware/lib/include/rollback_index.h
@@ -100,6 +100,8 @@
 	FWMP_DEV_ENABLE_LEGACY		= (1 << 3),
 	FWMP_DEV_ENABLE_OFFICIAL_ONLY	= (1 << 4),
 	FWMP_DEV_USE_KEY_HASH		= (1 << 5),
+	/* CCD = case-closed debugging on cr50; flag implemented on cr50 */
+	FWMP_DEV_DISABLE_CCD_UNLOCK	= (1 << 6),
 };
 
 /* All functions return TPM_SUCCESS (zero) if successful, non-zero if error */