i965/nir: Move the other lowering passes to before out-of-SSA
i965/nir: Move the other lowering passes to before out-of-SSA

Reviewed-by: Connor Abbott <71178acffcc112b21e5858656e5751f5e4aa9364@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler