MdeModulePkg/AtaAtapiPassThru: ensure PRDT of IDE is in 64K boundary
MdeModulePkg/AtaAtapiPassThru: ensure PRDT of IDE is in 64K boundary

Follow IDE BUS Master spec to ensure the PRDT table not cross 64k
boundary in memory.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: 3158a46dfd52e07d1fda3e32e1ab2e353a00b20f@17552 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2