This doesn't cause any issues right now but it make sense to standardise
on consistently using strings in the data store.
(From OE-Core rev: 99203fbe5ad470ef65cff93cec9d7f332883b5ee)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>