MdePkg: Move API and implementation from UefiCpuLib to CpuLib

There are two libraries: MdePkg/CpuLib and UefiCpuPkg/UefiCpuLib. This
patch merges UefiCpuPkg/UefiCpuLib to MdePkg/CpuLib.

Change-Id: Ic26f4c2614ed6bd9840f817d50e47ac1de4bd013
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Signed-off-by: Yu Pu <yu.pu@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>

MdePkg/Library/BaseCpuLib/BaseCpuLib.inf

@@ -29,16 +29,22 @@
 #  VALID_ARCHITECTURES           = IA32 X64 EBC ARM AARCH64 RISCV64 LOONGARCH64
 #
 
+[Sources.IA32, Sources.X64]
+  X86BaseCpuLib.c
+
 [Sources.IA32]
   Ia32/CpuSleep.c | MSFT
   Ia32/CpuSleep.nasm| INTEL
   Ia32/CpuSleepGcc.c | GCC
   X86CpuFlushTlb.c
 
+  Ia32/InitializeFpu.nasm
+
 [Sources.X64]
   X86CpuFlushTlb.c
   X64/CpuSleep.nasm
 
+  X64/InitializeFpu.nasm
 
 [Sources.EBC]
   Ebc/CpuSleepFlushTlb.c