CHANGELOG.md: Add entry for reverting bbg and bbgw .coffee files to point to their respective yocto machine.
CHANGELOG.md: Add entry for reverting bbg and bbgw .coffee files
to point to their respective yocto machine.

Signed-off-by: Florin Sarbu <3a837a37a2ac9072a088641ec330e0e5d5b86f4e@resin.io>

resin-os/resin-beaglebone,resin-os/resin-beaglebone