tools: zynqmpimage: Add Xilinx ZynqMP boot header generation

Add support for the zynqmpimage to mkimage.
Only basic functionality is supported without encryption and register
initialization with one partition which is filled by U-Boot SPL.
For more detail information look at Xilinx ZynqMP TRM.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

common/image.c

@@ -159,6 +159,7 @@ static const table_entry_t uimage_type[] = {
 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
 	{	IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
+	{	IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
 	{	-1,		    "",		  "",			},
 };