ShellPkg: Add ShellPrintHelp function to ShellLib.

This function allows for easier access to printing standard command help.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Matt Stanbro <Matthew.A.Stanbro@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14159 6f19259b-4bc3-4df7-8a09-765794883524
ShellPkg: Add "dp" command library to ShellPkg.

This command is only included in the build with command line option "-D INCLUDE_DP".  The user must also update the DSC with appropriate library instances that match the platform for the build to succeed.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14160 6f19259b-4bc3-4df7-8a09-765794883524
Enhance the ConPlatform driver to take care of the optional Controller device path node when comparing the GOP device path.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Kinney Michael D <michael.d.kinney@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14161 6f19259b-4bc3-4df7-8a09-765794883524