Hyphens aren't allowed in python identifiers, so you shouldn't use them
in module names or they are more difficult to import.
(From OE-Core rev: e8f6db9436dfc923e236f2cbc08f357e3b24fd5d)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
