UefiCpuPkg: Clean up source files

1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>

UefiCpuPkg/Library/CpuCommonFeaturesLib/MachineCheck.c

@@ -235,7 +235,7 @@ McgCtlInitialize (
 }
 
 /**
-  Detects if Local machine check exception feature supported on current 
+  Detects if Local machine check exception feature supported on current
   processor.
 
   @param[in]  ProcessorNumber  The index of the CPU executing this function.