intel: restore old vertex submit paths for i8xx hardware.

Intel docs state that only 830/845 have VBOs, 855/865 don't. So
lets just not use them on i8xx at all.

This restores the old pre-vbo code and uses it on all 8xx hw.

src/mesa/drivers/dri/intel/intel_screen.c

@@ -461,6 +461,7 @@ intelCreateContext(const __GLcontextModes * mesaVis,
 				  sharedContextPrivate);
       }
    } else {
+      intelScreen->no_vbo = GL_TRUE;
       return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
    }
 #else