Update password process logic, if password without interactive attribute, the first byte of buffer is zero means this password not has preexist value.

Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15170 6f19259b-4bc3-4df7-8a09-765794883524
Fix PCD help information format and a typo.

Signed-off-by: Dong Guo <guo.dong@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15171 6f19259b-4bc3-4df7-8a09-765794883524
Fix CRLF format

Signed-off-by: Tian, Hot <hot.tian@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15172 6f19259b-4bc3-4df7-8a09-765794883524