[AArch64][GlobalISel] Select logical_imm32 and logical_imm64 patterns

[AArch64][GlobalISel] Select logical_imm32 and logical_imm64 patterns

Add a GlobalISel equivalent for the logical_imm32_XFORM and logical_imm64_XFORM
SDNodeXForms in AArch64InstrFormats.td.

- Add select-logical-imm.mir, which contains tests for each imported pattern.

- Update select-pr32733.mir and select-scalar-shift-imm.mir, since they now
select instructions of this form.

Differential Revision: https://reviews.llvm.org/D66162

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369465 91177308-0d34-0410-b5e6-96231b3b80d8