The CAAM driver defines its own debug() macro, but it is unused. Remove
it.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: NHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>