MdeModulePkg: Fix IPv4 UseDefaultAddress failure case.

MdeModulePkg: Fix IPv4 UseDefaultAddress failure case.

This patch is used to update IP4->Configure() to allow the upper layer
modules to obtain a default address by setting UseDefaultAddress to TRUE
when default address is not available yet.

Cc: Ye Ting <ting.ye@intel.com>
Cc: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com>
Cc: Subramanian Sriram <sriram-s@hpe.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
Tested-by: Sriram Subramanian <sriram-s@hpe.com>