zink: enable VK_EXT_shader_atomic_float

this is needed for atomic ops, but we can let drivers that don't support
it have some warning messages instead of gating features

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14690>

src/gallium/drivers/zink/zink_device_info.py

@@ -77,6 +77,7 @@ EXTENSIONS = [
     Extension("VK_KHR_get_memory_requirements2"),
     Extension("VK_EXT_post_depth_coverage"),
     Extension("VK_EXT_shader_subgroup_ballot"),
+    Extension("VK_EXT_shader_atomic_float", alias="atomic_float", features=True),
     Extension("VK_KHR_8bit_storage",
               alias="storage_8bit",
               features=True,