57ebb2994d
Current code follow some rules to check if the PCI device connected to a serial port device, but some platform or hardware doesn't follow such rule. By locating gEfiSerialIoProtocolGuid protocol, we can find the related device path. Reviewed-by: Guo Dong <guo.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Maurice Ma <maurice.ma@intel.com> Cc: Benjamin You <benjamin.you@intel.com> Cc: Sean Rhodes <sean@starlabs.systems> Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>