Minor fixes to code formatting and small improvements from
code review.
(Bitbake rev: 2c97f3a5c6ae37de910deb90390c5b856a600c5f)
Signed-off-by: Elliot Smith <elliot.smith@intel.com>
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>