sunxi: tidy up cases in base-files

This removes unnecessary quotes in cases and applies alphabetic
order to members.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/sunxi/base-files/lib/preinit/03_b53_hack.sh

@@ -4,8 +4,8 @@ do_b53_hack() {
 	. /lib/functions.sh
 
 	# hack: enable switch on Lamobo R1 and reset counters
-	case "$(board_name)" in
-	"lamobo,lamobo-r1")
+	case $(board_name) in
+	lamobo,lamobo-r1)
 		ifconfig eth0 up
 		sleep 1
 		swconfig dev switch0 set reset 1