added powerwash fixes

inshim.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 mount /dev/sda1 /mnt/stateful_partition/
+mkfs.ext4 -F /dev/mmcblk0p1 # This only wipes the stateful partition
 mount /dev/mmcblk0p1 /tmp
 if [ "$(id -u)" -ne 0 ]
 then
@@ -8,3 +9,5 @@ fi
 cp /mnt/stateful_partition/usr/share/packeddata/. /tmp/unencrypted/ -rvf
 umount /tmp
 chown -R 1000 /mnt/stateful_partition/unencrypted
+crossystem disable_dev_request=1
+reboot