lttng-modules: fix for kernel 6.2+

Backporting a patching from the 2.13.x stable branch of lttng
to fix the build against kernel 6.2+.

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 3aed7dfe)
Signed-off-by: Steve Sakoman <steve@sakoman.com>