RedfishPkg/Include: PCD definitions of Host Interface EFI device path

RedfishPkg/Include: PCD definitions of Host Interface EFI device path

The definitions of Host Interface EFI device path structure PCD.

Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Signed-off-by: Siyuan Fu <siyuan.fu@intel.com>
Signed-off-by: Fan Wang <fan.wang@intel.com>
Signed-off-by: Abner Chang <abner.chang@hpe.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Nickle Wang <nickle.wang@hpe.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Nickle Wang <nickle.wang@hpe.com>