[powerpc] Full merge of PowerPC disassembler PRs, including:

* Remove dependency on capstone for PowerPC disassembly #6292
* Add support for PowerPC VLE instruction set #6740
* Add support for paired-single instructions #6821
* Various post-merge fixes and tweaks to disassembly and lifting
* Removal of dependence on capstone for assembler's scoring mechanism (capstone currently disabled, but not removed from codebase yet)

Author: galenbwill

arch/powerpc/CMakeLists.txt

@@ -11,8 +11,9 @@ file(GLOB SOURCES
 	assembler.cpp
 	disassembler.cpp
 	il.cpp
-	util.cpp
 	*.h
+	decode/*.c
+	decode/*.h
 )
 
 if(DEMO)