bpfprogs: Add bpf kswapd wake/sleep progs for LMKD

Create new bpf programs for the tracepoints:
 - vmscan/mm_vmscan_kswapd_wake
 - vmscan/mm_vmscan_kswapd_sleep

Test: atest memevents_test
Test: Verified both bpf progs are loaded in sys/fs/bpf/
Bug: 330606003
Change-Id: Icea366c118584c0fa62e24f8dc992190e1a98548
Signed-off-by: Carlos Galo <carlosgalo@google.com>
5 files changed