Dandan,
I am not sure if one dsc.inc file should include another dsc.inc file.
If a package/platform DSC file has a dependency on other packages to build,
then that DSC file can include the dsc.inc files from those dependent packages.
This limits the dsc.inc include depth is 1. Nesting includes
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3246
MdeLibs.dsc.inc was added for some basic/default library
instances provided by MdePkg and RegisterFilterLibNull Library
was also added into it as the first version of MdeLibs.dsc.inc.
So update platform dsc to consume MdeLibs.dsc.inc for
Re
