Nt32Pkg: Fix SnpNt32 GetStatus bug

Nt32Pkg: Fix SnpNt32 GetStatus bug

According to UEFI spec, the Snp.GetStatus should
return the recycled transmit buffer address, while
the NT32 SNP always return value 1 for the Txbuffer.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>