UefiPayloadPkg: Implement a new SerialPortLib instance

Add new Serial port library instance that consumes the HOB defined
in MdeModulePkg/Include/UniversalPayload/SerialPortInfo.h to support
multiple UART's.

Reviewed-by: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Cc: James Lu <james.lu@intel.com>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Signed-off-by: Kavya <k.kavyax.sravanthi@intel.com>

Author: kavyak11