of: fix the warnings from command line.

Gerrit will complain with this warnings:
ERROR: (foo*) should be (foo *)
Signed-off-by: tangjianqiang <tangjianqiang@xiaomi.com>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>

drivers/of/fdt.c

@@ -1078,7 +1078,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
 #endif
 #endif /* CONFIG_CMDLINE */
 
-	pr_debug("Command line is: %s\n", (char*)data);
+	pr_debug("Command line is: %s\n", (char *)data);
 
 	rng_seed = of_get_flat_dt_prop(node, "rng-seed", &l);
 	if (rng_seed && l > 0) {