Use the serial drivers which update the serial PCDs from PlatformHookLib. Change-Id: Ie6a3526d56332ee1cf07edb24ff39634a981183f Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-by: Prince Agyeman <prince.agyeman@intel.com>