iris: handle tile case where cso width, height is zero
iris: handle tile case where cso width, height is zero
Patch adds a fallback to calculate_tile_dimensions if such case is hit,
this happened when running CTS tests on simulation.
Fixes: d13c81a2c3bf ("iris/xehp: Implement TBIMR tile pass setup and pipeline bandwidth estimation.")
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>