defconfig: lahaina: Enable LIMIT_MOVABLE_ZONE_ALLOC

Enable support to limit the allocations which can be made from the
Movable zone in order to help reduce the likelihood of a page in the
movable zone being pinned because that would prevent memory from
being offlined.

Change-Id: I6503c9c23ad4b54838992a72f0cf79f3f545d703
Signed-off-by: Liam Mark <lmark@codeaurora.org>