fix the wrote data corrupt bug about iscsi
[Impaction]
modify the IScsiGenerateDataOutPduSequence() function in MdeModulePkg.
[Reference Info]
when writing some data from local disk into remote iscsi disk, the data may be corrupt.The root cause is caused by the data out PDU's offset is not created correctly.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4843 6f19259b-4bc3-4df7-8a09-765794883524
2) Add ExtendedHiiLib and ExtendedIfrSupportLib which implement APIs that require the OPcode and Device Path which is specific to Intel's implementation.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4662 6f19259b-4bc3-4df7-8a09-765794883524