The implementation was already there but through a private flag
"-_e". The patch removes "-_e" support and add "-ec" support.
Removing old "-_e" support makes the pci command more clean.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>