sbin/reform-flash-uboot: fix functionality that running without arguments just...

sbin/reform-flash-uboot: fix functionality that running without arguments just updates /boot/flash.bin

sbin/reform-flash-uboot

@@ -82,7 +82,7 @@ usage() {
 	fi
 }
 
-if [ "$#" -gt 0 ] && [ "$1" = "--help" ] || [ "$#" -eq 0 ] || [ "$1" = "-h" ]; then
+if [ "$#" -gt 0 ] && [ "$1" = "--help" ] || [ "$#" -gt 0 ] && [ "$1" = "-h" ]; then
 	usage
 	exit 0
 fi