Add device-tree bindings for the Intel Keem Bay Offload Crypto Subsystem (OCS) Hashing Control Unit (HCU) crypto driver. Signed-off-by: Declan Murphy <declan.murphy@intel.com> Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com> Acked-by: Mark Gross <mgross@linux.intel.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>