init: mount the debugfs

Add the debugfs to control dev_dbg output

Signed-off-by: Angus Ainslie <angus@akkea.ca>

initramfs/init

@@ -35,6 +35,10 @@ mount -t configfs -o nodev,noexec,nosuid configfs /config
 mkdir -p /dev/pts
 mount -t devpts devpts /dev/pts
 
+# add the debugfs
+mkdir /debug
+mount -t debugfs none /debug
+
 # LED indicator for MMC r/w access
 if [ -n "$LED" ]; then
 	echo $TRIGGER > /sys/class/leds/$LED/trigger