Some LibraryClasses entries are missing to enable standalone builds of MdeModulePkg components for ARM/AARCH64. Add those. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>