uprobe: Change uretprobe syscall scope and number

uprobe: Change uretprobe syscall scope and number

After discussing with Arnd [1] it's preferable to change uretprobe
syscall number to 467 to omit the merge conflict with xattrat syscalls.

Also changing the ABI to 'common' which will ease up the global
scripts/syscall.tbl management. One consequence is we generate uretprobe
syscall numbers for ABIs that do not support uretprobe syscall, but the
syscall still returns -ENOSYS when called in that ABI.

[1] https://lore.kernel.org/lkml/784a34e5-4654-44c9-9c07-f9f4ffd952a0@app.fastmail.com/

Link: https://lore.kernel.org/all/[email protected]/
Fixes: 190fec72df4a ("uprobe: Wire up uretprobe system call")
Suggested-by: Arnd Bergmann <[email protected]>
Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>