{FMOV,MOVI} (vector, immediate): fix incorrect DIP format string


git-svn-id: svn://svn.valgrind.org/vex/trunk@2847 8f6e269a-dfd6-0310-a8e1-e2731360e62c
Handle Iop_Max32U, so as to make origin tracking in Memcheck work.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2848 8f6e269a-dfd6-0310-a8e1-e2731360e62c