Mark C ABI structs with structs.HostLayout

[EtiennePerot]

Description

Go 1.23 has a new structs.HostLayout thing to explicitly mark that a struct relies on a C-like field layout: https://pkg.go.dev/[email protected]#HostLayout

Is this feature related to a specific bug?

No

Do you have a specific solution in mind?

We should add _ structs.HostLayout on all Linux ABI structs, and probably add a test that all structs in the ABI package have this annotation.

We should do the same for nvproxy structs.