iris: Fix assertion in iris_resource_from_handle() tiling usage

iris: Fix assertion in iris_resource_from_handle() tiling usage

Assertion error:

  iris_resource_from_handle: Assertion `res->bo->tiling_mode ==
      isl_tiling_to_i915_tiling(res->surf.tiling)' failed.

This patch fixes 16 piglit tests on KBL:
glx/glx-multithread-texture
glx/glx-query-drawable-glx_fbconfig_id-glxpbuffer
glx/glx-query-drawable-glx_fbconfig_id-glxpixmap
glx/glx-query-drawable-glx_preserved_contents
glx/glx-query-drawable-glxpbuffer-glx_height
glx/glx-query-drawable-glxpbuffer-glx_width
glx/glx-query-drawable-glxpixmap-glx_height
glx/glx-query-drawable-glxpixmap-glx_width
glx/glx-swap-pixmap
glx/glx-swap-pixmap-bad
glx/glx-tfp
glx/glx-visuals-depth -pixmap
glx/glx-visuals-stencil -pixmap
spec/egl 1.4/eglcreatepbuffersurface and then glclear
spec/egl 1.4/largest possible eglcreatepbuffersurface and then glclear
spec/egl_nok_texture_from_pixmap/basic

Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason.ekstrand@intel.com>
Signed-off-by: Rhys Kidd <rhyskidd@gmail.com>