r600g/cayman: fix texture gather tests
r600g/cayman: fix texture gather tests

It appears on cayman the TG4 outputs were reordered.

This fixes a lot of piglit tests.

Cc: "10.3 10.4" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <feea5431f8695a3af7470d472cb16ac8e02bab01@gmail.com>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@redhat.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler