[PPC][BOLT] Adding PCC factory function declaration

Author: kostasalv

bolt/include/bolt/Core/MCPlusBuilder.h

@@ -2373,6 +2373,11 @@ MCPlusBuilder *createRISCVMCPlusBuilder(const MCInstrAnalysis *,
                                         const MCRegisterInfo *,
                                         const MCSubtargetInfo *);
 
+MCPlusBuilder *createPowerPCMCPlusBuilder(const MCInstrAnalysis *,
+                                        const MCInstrInfo *,
+                                        const MCRegisterInfo *,
+                                        const MCSubtargetInfo *);
+
 } // namespace bolt
 } // namespace llvm