Differentially encode all MC register lists.
Differentially encode all MC register lists.

This simplifies MCRegisterInfo and shrinks the target descriptions a bit
more.

git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@160758 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx