Fix cache atribute on pic32mz ethernet driver.
Fix cache atribute on pic32mz ethernet driver.

prplfoundation/prpl-hypervisor,prplfoundation/prpl-hypervisor,prplfoundation/prpl-hypervisor,prplfoundation/prpl-hypervisor,prplfoundation/prpl-hypervisor,prplfoundation/prpl-hypervisor