ARM: fix typo in VFP instruction definition

The vstm family of VFP instructions belong to the VFP store itinerary class, not
the VFP load itinerary class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198170 91177308-0d34-0410-b5e6-96231b3b80d8
ARM: fix a few typos in comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198171 91177308-0d34-0410-b5e6-96231b3b80d8
ARM: provide VFP aliases for pre-V6 mnemonics

In order to provide compatibility with the GNU assembler, provide aliases for
pre-UAL mnemonics for floating point operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198172 91177308-0d34-0410-b5e6-96231b3b80d8