tools: mkimage: add firmware-ivt image type for HAB verification

When we want to use Secure Boot with HAB from SPL over U-Boot.img,
we need to append the IVT to the image and leave space for the CSF.
Images generated as firmware_ivt can directly be signed using the
Freescale code signing tool. For creation of a CSF, mkimage outputs
the correct HAB Blocks for the image.
The changes to the usual firmware image class are quite small,
that is why I implemented that directly into the default_image.

Cc: sbabic@denx.de

v2-Changes: None

Signed-off-by: Sven Ebenfeld <sven.ebenfeld@gmail.com>
Reviewed-by: George McCollister <george.mccollister@gmail.com>
Tested-by: George McCollister <george.mccollister@gmail.com>
diff --git a/common/image.c b/common/image.c
index 909dbed..8c35327 100644
--- a/common/image.c
+++ b/common/image.c
@@ -166,6 +166,7 @@
 	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
 	{	IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
 	{       IH_TYPE_TEE,        "tee",        "Trusted Execution Environment Image",},
+	{	IH_TYPE_FIRMWARE_IVT, "firmware_ivt", "Firmware with HABv4 IVT" },
 	{	-1,		    "",		  "",			},
 };
 
@@ -365,6 +366,11 @@
 				printf("%s    Offset = 0x%08lx\n", p, data);
 			}
 		}
+	} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
+		printf("HAB Blocks:   0x%08x   0x0000   0x%08x\n",
+				image_get_load(hdr) - image_get_header_size(),
+				image_get_size(hdr) + image_get_header_size()
+						- 0x1FE0);
 	}
 }