This patch adds the NORETURN attribute to the function that transfers to the PEI phase, along with an UNREACHABLE() call at the end to avoid false warnings. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com> Reviewed-by: Liming Gao <liming.gao@intel.com>