Fix build after cp0 module extraction

Introduced in 5c247de4b12cd1e64711e95df90591c12b58759d ("Put CP0 into its own
module")

Problem comes from having colliding names like Count, Index or Random in cp0.h

/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1573:10: error: conflicting types for '__movsb'
     VOID __movsb(PBYTE Destination,BYTE const *Source,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:994:5: note: previous declaration of '__movsb' was here
     __MACHINEI(void __movsb(unsigned char *,unsigned char const *,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1574:10: error: conflicting types for '__movsw'
     VOID __movsw(PWORD Destination,WORD const *Source,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:995:5: note: previous declaration of '__movsw' was here
     __MACHINEI(void __movsw(unsigned short *,unsigned short const *,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1575:10: error: conflicting types for '__movsd'
     VOID __movsd(PDWORD Destination,DWORD const *Source,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:996:5: note: previous declaration of '__movsd' was here
     __MACHINEI(void __movsd(unsigned __LONG32 *,unsigned __LONG32 const *,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1576:10: error: conflicting types for '__movsq'
     VOID __movsq(PDWORD64 Destination,DWORD64 const *Source,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:997:5: note: previous declaration of '__movsq' was here
     __MACHINEX64(__MINGW_EXTENSION void __movsq(unsigned long long *,unsigned long long const *,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1577:10: error: conflicting types for '__stosb'
     VOID __stosb(PBYTE Destination,BYTE Value,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:1032:5: note: previous declaration of '__stosb' was here
     __MACHINEI(void __stosb(unsigned char *,unsigned char,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1578:10: error: conflicting types for '__stosw'
     VOID __stosw(PWORD Destination,WORD Value,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:1033:5: note: previous declaration of '__stosw' was here
     __MACHINEI(void __stosw(unsigned short *,unsigned short,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1579:10: error: conflicting types for '__stosd'
     VOID __stosd(PDWORD Destination,DWORD Value,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:1034:5: note: previous declaration of '__stosd' was here
     __MACHINEI(void __stosd(unsigned __LONG32 *,unsigned __LONG32,size_t))
     ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/winnt.h:1580:10: error: conflicting types for '__stosq'
     VOID __stosq(PDWORD64 Destination,DWORD64 Value,SIZE_T Count);
          ^
/tmp/mxe/usr/x86_64-w64-mingw32/include/intrin.h:1035:5: note: previous declaration of '__stosq' was here
     __MACHINEX64(__MINGW_EXTENSION void __stosq(unsigned __int64 *,unsigned __int64,size_t))