* Specify whether the device can't be found or can't be written to
* Give a hint to use sudo
(From OE-Core rev: 92b58e1c789ee412d936285144e8e549c99ff979)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>