arm64: defconfig: Enable clean page reclaim tracking on Lahaina

Enable CONFIG_VM_EVENT_COUNT_CLEAN_PAGE_RECLAIM on Lahaina
to add clean page reclaim to the set of VM events that the
kernel tracks.

Change-Id: I3531024b2d09264bb6032aa55d8c4cd511289d35
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>