anv: Update line range

This commit increases the maximum line width to 8.0 for SLK+ and to 7.9921875 for BDW and earlier.

Closes: #6234 (closed) Fixes: fce0027d ("anv: Unbreak wide lines on HSW/BDW")

Signed-off-by: Mykhailo Skorokhodov mykhailo.skorokhodov@globallogic.com Reviewed-by: Ivan Briano ivan.briano@intel.com