This patch updates PxeBcIcmpErrorDpcHandle() and PxeBcIcmp6ErrorDpcHandle() to
recycle the ICMP packet after copy it to PXE mode data.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>