Added UART initialization at startup and removed not necessary code.
Added UART initialization at startup and removed not necessary code.

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