this fixes a build error since cryptodev-2.6 got rebased
to include commit d714d1979d7b4df7e2c127407f4014ce71f73cd0
"dt: eliminate of_platform_driver shim code".
Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>