cert_create: extend Secure partition support for tbbr CoT

with sha 0792dd7, support to generate certificate for Secure
Partitions was added for dualroot CoT only, this patch extends
this support for tbbr CoT.

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I451c0333536dd1cbe17861d454bdb0dc7a17c63f
diff --git a/tools/cert_create/include/tbbr/tbb_cert.h b/tools/cert_create/include/tbbr/tbb_cert.h
index 628ef3a..e5fa3a2 100644
--- a/tools/cert_create/include/tbbr/tbb_cert.h
+++ b/tools/cert_create/include/tbbr/tbb_cert.h
@@ -23,6 +23,7 @@
 	TRUSTED_OS_FW_CONTENT_CERT,
 	NON_TRUSTED_FW_KEY_CERT,
 	NON_TRUSTED_FW_CONTENT_CERT,
+	SIP_SECURE_PARTITION_CONTENT_CERT,
 	FWU_CERT
 };