Sort the headers alphabetically to improve readability and to spot
duplications easier.
Suggested-by: NVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: NVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>