local.conf.sample: Add note about syncing with OE
local.conf.sample: Add note about syncing with OE

As this file is largely based on a file from OE-Core, add a note at
the top to reinforce the notion of periodically synchronizing with
OE-Core to ensure that we don't get horribly out of date.

Signed-off-by: Brad Mouring <58d99a887450796456131638ba4c43b5ba95afcf@ni.com>

ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt,ni/meta-nilrt