intel: fix urb size for CFL GT1

Same 192Kb amount as SKL/KBL GT1 applies.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Fixes: de7ed0ba ("i965/CFL: Add PCI Ids for Coffee Lake.")
(cherry picked from commit 1d626fc0)