LinuxKPI: sync overflow.h from Linux v6.16

It seems overflow.h wsa imported directly from Linux in 3208d4ad2b8320a.
Update the file to the newer version as needed for wireless driver updates.

Sponsored by: The FreeBSD Foundation (initially)
Obtained from: git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

		038d61fd642278 (tag: v6.16)

Reviewed by: dumbbell
Differential Revision: https://reviews.freebsd.org/D52078

(cherry picked from commit 70c508e691de1ed0f70b4a6f0773bfb5d627050d)