mips32: Add tests for mips32 floating point compare instructions.

Tests that are testing mips instructions c.cond.s and c.cond.d have been added in none/tests/mips32.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13839 a5019735-40e9-0310-863c-91ae7b9d1cf9