Update for kernel 6.8 headers.

6.8 is dropping support for some networking features, and the uapi
headers also have removed the corresponding defines/structures.
Stop compiling these files which use those old features: f_rsvp.c,
f_tcindex.c, q_cbq.c, q_dsmark.c.

Test: Builds.
Change-Id: I64ceccd60473d93b22aa61e548e1bf9026bc9d2d
1 file changed