TBB: authenticate BL3-x images and certificates

This patch adds support to authenticate the Trusted Key certificate
and the BL3-x certificates and images at BL2.

Change-Id: I69a8c13a14c8da8b75f93097d3a4576aed71c5dd
diff --git a/plat/juno/include/platform_def.h b/plat/juno/include/platform_def.h
index 748b32d..1071d12 100644
--- a/plat/juno/include/platform_def.h
+++ b/plat/juno/include/platform_def.h
@@ -74,6 +74,17 @@
 #if TRUSTED_BOARD_BOOT
 /* Certificates */
 # define BL2_CERT_NAME			"bl2.crt"
+# define TRUSTED_KEY_CERT_NAME		"trusted_key.crt"
+
+# define BL30_KEY_CERT_NAME		"bl30_key.crt"
+# define BL31_KEY_CERT_NAME		"bl31_key.crt"
+# define BL32_KEY_CERT_NAME		"bl32_key.crt"
+# define BL33_KEY_CERT_NAME		"bl33_key.crt"
+
+# define BL30_CERT_NAME			"bl30.crt"
+# define BL31_CERT_NAME			"bl31.crt"
+# define BL32_CERT_NAME			"bl32.crt"
+# define BL33_CERT_NAME			"bl33.crt"
 #endif /* TRUSTED_BOARD_BOOT */
 
 #define PLATFORM_CACHE_LINE_SIZE	64