Move all example configuration to the example config file, tidy up a few
long lines and fix some grammar.
(From OE-Core rev: ec099a32243ebc7eecd86e4bf40ed38da4af3fe5)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>