- add null

target/generic/mini_device_table.txt

@@ -56,7 +56,7 @@
 # Normal system devices
 #/dev/mem	c	640	0	0	1	1	0	0	-
 #/dev/kmem	c	640	0	0	1	2	0	0	-
-#/dev/null	c	666	0	0	1	3	0	0	-
+/dev/null	c	666	0	0	1	3	0	0	-
 #/dev/zero	c	666	0	0	1	5	0	0	-
 #/dev/random	c	666	0	0	1	8	0	0	-
 #/dev/urandom	c	666	0	0	1	9	0	0	-