Specifies the AP target C-state for Mwait during POST phase.
 The default value 0 means C1 state.
 The value is defined as below.
  The specified AP target C-state for Mwait.
PCD Information
| Name | Token Space | Token number | Data Type | Default Value | 
| PcdCpuApTargetCstate | gUefiCpuPkgTokenSpaceGuid | 0x00000007 | UINT8 | 0 |