This patch introuduce iot2050 platform support, it is the port from meta-iot2050 layer. Based on original patch by Le Jin. Signed-off-by: Le Jin <le.jin@siemens.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Ivan Mikhaylov <ivan.mikhaylov@siemens.com>