It only ever did anything on 32-bit OS X.
Anyway, it wasn't even on the right functions, and these days
ABI_PushRegistersAndAdjustStack should handle maintaining the ABI
correctly.
Updated ARAM DMA and FIFO write exception checking to uses these types.
Conflicts:
Source/Core/Core/PowerPC/Interpreter/Interpreter_Tables.cpp
Source/Core/Core/PowerPC/PPCTables.h