IntelFsp2Pkg: Add CI YAML file

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

Adds IntelFsp2Pkg to the list of supported build packages for edk2
CI and defines an initial set of CI configuration options.

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

@@ -55,6 +55,7 @@ class Settings(CiBuildSettingsManager, UpdateSettingsManager, SetupSettingsManag
                 "DynamicTablesPkg",
                 "EmbeddedPkg",
                 "EmulatorPkg",
+                "IntelFsp2Pkg",
                 "MdePkg",
                 "MdeModulePkg",
                 "NetworkPkg",