IntelFsp2WrapperPkg: Add CI YAML file

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4048

Adds IntelFsp2WrapperPkg to the list of supported build packages
for edk2 CI and defines an initial set of CI configuration options.

Adds a special case for the Library Class check CI plugin to ignore
FspWrapperPlatformMultiPhaseLib with an explanatory comment.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney>

.pytool/CISettings.py

@@ -56,6 +56,7 @@ class Settings(CiBuildSettingsManager, UpdateSettingsManager, SetupSettingsManag
                 "EmbeddedPkg",
                 "EmulatorPkg",
                 "IntelFsp2Pkg",
+                "IntelFsp2WrapperPkg",
                 "MdePkg",
                 "MdeModulePkg",
                 "NetworkPkg",