anv: Emit cherryview SF state without including gen9_pack.h
anv: Emit cherryview SF state without including gen9_pack.h

Cleaner this way and we avoid including gen9_pack.h when we compile with
gen8_pack.h. We also avoid the if (cherryview) condition for non-gen8
gens that don't need it.

Signed-off-by: Kristian H. Kristensen <5277675e75ce288440b982e61b7eecdaaf22a4dd@gmail.com>
Reviewed-by: Jason Ekstrand <68c46a606457643eab92053c1c05574abb26f861@jlekstrand.net>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler