layerman: lock down meta-beagleboard
layerman: lock down meta-beagleboard

Signed-off-by: Koen Kooi <d0a161424d033e19799f22c7b0d92266ac3a2161@linaro.org>

Angstrom-distribution/setup-scripts,Ambertec/setup-scripts,wwright2/angstrom-setup.methode