Update the man page. Add new command line option -g and -s, also add sample code to use it.
Update the man page.
Add new command line option -g and -s, also add sample code to use it.

Signed-off-by: ydong10
Reviewed-by: lgao4

git-svn-id: f3880c1fc5096ce2109c8aec392d8e07f619f417@2296 c2973edb-eda0-4c78-bc6a-9341b269661f

tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools