Adds decoding needed by some commands output later used as
strings.
[YOCTO #9702]
(From OE-Core rev: 0440b5ace411c61f802376d4e1c9eac93e72d65f)
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>