bcm63xx: fix dts whitespace

Remove whitespace from otherwise empty lines

Signed-off-by: Felix Baumann <[email protected]>

target/linux/bcm63xx/dts/bcm63167-sercomm-h500-s-vfes.dts

@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2020 Daniel González Cabanelas <[email protected]>
  */
- 
+
 #include "bcm63167-sercomm-h500-s.dtsi"
 
 / {