[binding][python] fixup M68KOpMem structure
[binding][python] fixup M68KOpMem structure

Fixup the structure, to be in sync with the C implementation.

bSr43/capstone,AmesianX/capstone,bSr43/capstone,fvrmatteo/capstone,xia0pin9/capstone,fvrmatteo/capstone,fvrmatteo/capstone,fvrmatteo/capstone,xia0pin9/capstone,AmesianX/capstone,xia0pin9/capstone,fvrmatteo/capstone,AmesianX/capstone,bSr43/capstone,bSr43/capstone,AmesianX/capstone,xia0pin9/capstone,xia0pin9/capstone,xia0pin9/capstone,bSr43/capstone,fvrmatteo/capstone,bSr43/capstone,xia0pin9/capstone,AmesianX/capstone,bSr43/capstone,AmesianX/capstone,AmesianX/capstone,fvrmatteo/capstone