add meta-python to bblayers
add meta-python to bblayers

Change-Id: I4fa7726ae62bd8af643585350017a140aa40c5ce
Signed-off-by: Cliff Brake <59009db40dde8cd7e04e009618337b2c30666518@bec-systems.com>

twoerner/angstrom-manifest,Angstrom-distribution/angstrom-manifest,96boards/oe-rpb-manifest,koenkooi/angstrom-manifest,ndechesne/qcom-oe-manifest,linaro-home/lhg-oe-manifests