intel/isl: Rename ISL_TILING_Yf/s to ISL_TILING_SKL_Yf/s

intel/isl: Rename ISL_TILING_Yf/s to ISL_TILING_SKL_Yf/s

The Yf and Ys tilings change a bit between SKL and later generations so
we have to be able to distinguish between them.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23620>