The core clock for the Crypto Engine block on Qualcomm SoCs SM6115 and
QCM2290 are provided via the RPM block.

So mark the compatibles for these SoCs to indicate that only 'core'
clock is required for such SoCs.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>