crypto: dcp - Use devm_* APIs
crypto: dcp - Use devm_* APIs

devm_* APIs are device managed and make cleanup and exit
code simpler.

Signed-off-by: Sachin Kamat <1c3b1584a6008857f36c03c58f657c0fc16fc09e@linaro.org>
Tested-by: Tobias Rauter <11df64b0971e7763812bc4d7763dd161d66193d9@gmail.com>
Signed-off-by: Herbert Xu <ef65de1c7be0aa837fe7b25ba9a7739905af6a55@gondor.apana.org.au>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs