tools/imximage: use 0x prefix in HAB Blocks line

The u-boot-ivt.img.log file contains 0x prefixes in the HAB Blocks line,
while the SPL.log does not. For consistency, and to make it easier to
extract and put into a .csf file for use with NXP's code signing tool,
add 0x prefixes here.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Breno Lima <breno.lima@nxp.com>
diff --git a/tools/imximage.c b/tools/imximage.c
index ed9d935..6dabb13 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -516,7 +516,7 @@
 			offs = (char *)&hdr_v2->data.dcd_table
 				- (char *)hdr_v2;
 
-			printf("HAB Blocks:   %08x %08x %08x\n",
+			printf("HAB Blocks:   0x%08x 0x%08x 0x%08x\n",
 			       (uint32_t)fhdr_v2->self, 0,
 			       hdr_v2->boot_data.size - imximage_ivt_offset -
 			       imximage_csf_size);