MdeModulePkg: 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>
Reviewed-by: Star Zeng <star.zeng@intel.com>

MdeModulePkg/Universal/ResetSystemPei/ResetSystem.c

@@ -235,7 +235,7 @@ UnregisterResetNotify (
 
   @param[in] FileHandle  Handle of the file being invoked.
   @param[in] PeiServices Describes the list of possible PEI Services.
-  
+
   @retval EFI_SUCCESS         The entry point is executed successfully.
   @retval EFI_ALREADY_STARTED The Reset2 PPI was already installed.
   @retval others              Status code returned from PeiServicesInstallPpi().