mkimage: adding support for Davinci AIS image

Some Davinci processors supports the Application
Image Script (AIS) boot process. The patch adds the generation
of the AIS image inside the mkimage tool to make possible
to generate a bootable U-boot without external tools
(TI Davinci AIS Generator).

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Wolfgang Denk <wd@denx.de>
diff --git a/common/image.c b/common/image.c
index 13b4a68..555d9d9 100644
--- a/common/image.c
+++ b/common/image.c
@@ -131,19 +131,20 @@
 };
 
 static const table_entry_t uimage_type[] = {
+	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
+	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
+	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
+	{	IH_TYPE_INVALID,    NULL,	  "Invalid Image",	},
 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
+	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
-	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
-	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
-	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
-	{	IH_TYPE_INVALID,    NULL,	  "Invalid Image",	},
 	{	-1,		    "",		  "",			},
 };