When it used 32 bits for set FSP global data pointer under X64 build,
it should get FSP global data pointer with 32 bits data under X64 build.
Signed-off-by: Hongbin1 Zhang <hongbin1.zhang@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Duggapu Chinni B <chinni.b.duggapu@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Ted Kuo <ted.kuo@intel.com>
Cc: Ashraf Ali S <ashraf.ali.s@intel.com>