vulkan/util: use the platform defines in vk.xml instead of hard-coding them
See also: 3d4238d2 "anv: use the platform defines in vk.xml instead of hard-coding them"
/cc @llandwerlin
See also: 3d4238d2 "anv: use the platform defines in vk.xml instead of hard-coding them"
/cc @llandwerlin