mkimxboot: don't forget to pass model if given on command line

Change-Id: I1d20b38ff5b0f337d9a2eef6e2e1d6c170aabce7

rbutil/mkimxboot/main.c

@@ -206,6 +206,7 @@ int main(int argc, char *argv[])
     opt.output = type;
     opt.fw_variant = variant;
     opt.force_version = force_version;
+    opt.model = model;
     enum imx_error_t err = mkimxboot(infile, bootfile, outfile, opt);
     printf("Result: %d\n", err);
     return 0;