1. Handle the Pcd maxsize issue for the case
that the length of Pcd value from CommandLine
bigger that its maxsize
2. The Pcd value override in commandline.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>