kernel-resin: Enable zram
kernel-resin: Enable zram

Enable the zram kernelmodule by default. This provides an
in-memory compressed swap device which can alleviate problems
with memory pressure on memory constrained devices and is enabled
by default on Chromebooks.

Change-type: minor
Changelog-entry: Enable zram kernel module by default
Signed-off-by: Will Newton <9ae5e71ad61fb3eb3f972773b758e0d4f6c5e573@resin.io>

resin-os/meta-resin,resin-os/meta-resin,resin-os/meta-resin,resin-os/meta-resin