[FastISel][AArch64] Add support for non-native types for logical ops.

Extend the logical ops selection to also support non-native types such as i1,
i8, and i16.

Fixes rdar://problem/18330589.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217732 91177308-0d34-0410-b5e6-96231b3b80d8