fiptool: Add fw_config in FIP

Added support in fiptool to include fw_config image
in FIP.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ibbd14723a4141598d9d7f6bfcf88a0ef92cf87bc
diff --git a/lib/debugfs/devfip.c b/lib/debugfs/devfip.c
index 70ac3bc..b0ee39a 100644
--- a/lib/debugfs/devfip.c
+++ b/lib/debugfs/devfip.c
@@ -73,6 +73,7 @@
 	{"soc-fw.cfg",		UUID_SOC_FW_CONFIG},
 	{"tos-fw.cfg",		UUID_TOS_FW_CONFIG},
 	{"nt-fw.cfg",		UUID_NT_FW_CONFIG},
+	{"fw.cfg",		UUID_FW_CONFIG},
 	{"rot-k.crt",		UUID_ROT_KEY_CERT},
 	{"nt-k.crt",		UUID_NON_TRUSTED_WORLD_KEY_CERT},
 	{"sip-sp.crt",		UUID_SIP_SECURE_PARTITION_CONTENT_CERT}